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GC8024 OTP Calibrate and OTP programming Guide V1.2 2016/4/19 Content 1. Description..............................................................................................................4 2. GC8024 OTP programming....................................................................................4 2.1 OTP structure ....................................................................................................4 2.2 OTP assignment for calibrate data ....................................................................7 3. Camera module calibration .....................................................................................7 4. Lens shading correction calibration ........................................................................8 4.1 Module to module variation of lens shading and color shading .......................8 4.2 Lens shading correction calibration method .....................................................8 4.2 Lens Correction Calibration Operation Procedure ...........................................9 4.2.1 Equipments and Operation Condition.....................................................9 4.2.2 OTP key setting for LSC calibration.......................................................9 4.2.3 Operating procedure..............................................................................10 5. White balance calibration ..................................................................................... 11 5.1 White balance calibration ............................................................................... 11 5.2 Method of White Balance Calibration ............................................................12 5.3 Operation procedure of white balance calibration ..........................................12 5.3.1 Equipments and Operation Condition...................................................12 5.3.2 WB calibration Key setting...................................................................12 5.3.3 Operating procedure..............................................................................13 5.3.4 WB Calibration Data calculation ..........................................................13 6. Check OTP group..................................................................................................14 6.1 Write OTP group procedure ............................................................................14 6.2 Read OTP group procedure.............................................................................14 7. Initial setting for WB calibration and LSC calibration .........................................14 7.1 MIPI 2lane ......................................................................................................14 7.2 MIPI 4lane ......................................................................................................18 GC8024 Calibration and OTP programming guide Version Revision History Date Summary V1.0 2015-12-29 Document release V1.1 2016-3-31 Update WB calibration and OTP MAP V1.2 2016-4-19 Update OTP MAP Approved AE Dept. AE Dept. AE Dept. GC8024 Calibration and OTP programming guide 1. Description GC8024 sensor has 2K bits embedded OTP(One Time Programmable) memory, which is for store camera module calibration date, and static DPC. This document provides general guidelines for GC8024 module calibration, including calibration items and methodology and OTP programming procedure. 2. GC8024 OTP programming 2.1 OTP structure GC8024 supports maximum of 2K bits of one-time programmable (OTP) to store module information and chip identification. It can be read/write through SCCB registers. Please see the table for OTP register: Address name 0xf3 OTP mode 0xf7 Pll mode 0xf9 Analog pwd 0xfa clk_div_mode 0xfc Cm_mode P0:0xd4 OTP_mode_temp P0:0xd5 P0:0xd6 P0:0xd7 OTP_access_addr OTP_write_value OTP_read_value R/W W RW RW RW RW RW RW RW RO Description [6] write OTP [5] read OTP [7:1] Reserved [0] pll enable [0] apwd [7] Reserved [6] OTP_clk_en [5:0] Reserved [7] regf clk enable [6:4] Reserved [3] isp all clock enable [2] serail_clk enable [1] re_lock_pll [0] not_use_pll [7] OTP enable [5] OTP busy [4] write mode select 0: byte 1: bit [3] bit addr inc [2] page select 0: page0 1: page1 [1:0] OTP access addr[9:8] [7:0] OTP access addr[7:0] [7:0] OTP_write_value [7:0] OTP_read_value GC8024 Calibration and OTP programming guide OTP write key setting as follows : SCCB 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e Address Value 0xf7 0x95 0xf9 0x00 0xfc 0xce 0xfa 0x49 0xfe 0x00 0xd4 0x80 0xd4[1:0] 0xxx 0xd5 0xxx 0xd6 0xxx 0xf3 0x40 //OTP clk enable // page select //OTP enable[7] OTP page select[2] //OTP address select high bit [9:8] //OTP address select low bit [7:0] //OTP value //OTP write OTP read key setting as follows: SCCB 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6e 0x6f Address Value 0xf7 0x95 0xf9 0x00 0xfc 0xce 0xfa 0x49 0xfe 0x00 0xd4 0x80 0xd4[1:0] 0xxx 0xd5 0xxx 0xf3 0x20 0xd7 0xxx //OTP clk enable // page select //OTP enable[7] OTP page select[2] //OTP address select high bit [9:8] //OTP address select low bit [7:0] //OTP read //OTP value OTP MAP: Address Basic Flag1 P0:0x00 Width(Byte) 1 Byte usage Flag1 GC8024 Calibration and OTP programming guide Assignment Basic Flag1 bit[7:6]: WB Calibration flag group1 00:Empty 01:Valid 10:Invalid bit[5:4]: WB Calibration flag group2 00:Empty 01:Valid 10:Invalid bit[3:2]:LSC Calibration flag group1 00: Empty 01: Valid 10: 1nvalid Segment 2: WB Calibration group1 P0:0x01 1 R/G Ratio1 P0:0x02 1 B/G Ratio1 Segment 2: WB Calibration group 2 P0:0x03 1 R/G Ratio2 P0:0x04 1 B/G Ratio2 Segment 3: LSC Calibration group1 P0:0x05~0x56 82 LSC parameters1 Segment 3: LSC Calibration group2 P0:0x57~0x72 P1:0x00~0x35 82 LSC parameters2 Wafer Information P0:0x73~0x7b 9 Wafer info P0:0x7c~0x7f 4 Reserved Basic Flag2 P1:0x36 1 Flag2 P1:0x37~0x74 62 Reserved Segment 1: Module information group1 P1:0x75~0x79 5 Module info1 Segment 1: Module information group2 P1:0x7a~0x7e 5 Module info2 P1:0x7f 1 Reserved bit[1:0]: Wafer information flag 00:Empty 01:Valid 10:Invalid R/G Ratio1 B/G Ratio1 R/G Ratio2 B/G Ratio2 LSC Calibration OTP1 LSC Calibration OTP2 Wafer information Reserved for customer Basic Flag2 bit[7:6]: LSC Calibration flag group2 00: Empty 01: Valid 10: 1nvalid bit[5:4]: Dead Pixel Correction flag 00:Empty 01:Valid 10:Invalid bit[3:2]:Module flag group1 00:Empty 01:Valid 10:Invalid bit[1:0]:Module flag group2 00:Empty 01:Valid 10:Invalid Reserved for GC Module information1 Module information2 Reserved for GC GC8024 Calibration and OTP programming guide 2.2 OTP assignment for calibrate data The detailed GC8024 OTP assignment as follows: Segment 1-Base Information (choose 5 byte): Flag 2 bit Module Integrator ID 1 Byte Lens ID 1 Byte AF ID/Driver ID 1 Byte VCM ID 1 Byte Module Producing Year 1 Byte Module Producing Month 1 Byte Module Producing Day 1 Byte NOTE: Ensure test PC's system time to get right producing date. Segment 2-AWB: Flag 2 bit R/G Ratio 1 Byte B/G Ratio 1 Byte Segment 3-LSC: Flag 2 bit LSC parameters 108 Byte 3. Camera module calibration GC8024 camera module calibration includes following calibration items: Lens shading correction, White Balance. From ISP pipeline’s view, LSC and AWB calibration flow have been changed to get high AWB calibration accuracy, LSC calibration data should be written back to sensor before AWB calibration: Sensor Initial setting + OTP key setting Capture Raw image 1 LSC calibration Enable LSC and write back LSC calibration result to sensor Capture Raw image 2 WB calibration GC8024 Calibration and OTP programming guide 4. Lens shading correction calibration 4.1 Module to module variation of lens shading and color shading The lens shading also has module to module variation. The variation comes from the following reasons: 1. Camera module assembly variation such as lens holder alignment with camera module 2. Lens assembly variation 3. Sensor micro lens variation (sensor CRA variation). 4. Pan/tilt of image sensor during assembly The lens shading variation includes luminance shading, and color shading. 4.2 Lens shading correction calibration method the typical camera module is applied in camera driver as default sensor lens correction setting (usually 60%~65% sensor lens correction). The ISP lens correction is tuned for multiple color temperatures with typical camera module with default sensor lens correction setting. LSC = Sensor LSC x ISP_LSC The output of typical camera module with default sensor lens correction setting (60%~65% lens correction) is used as tuning target of all other camera modules. For all the other camera modules, sensor lens correction settings is tuned(to 60%~65%) so that the outputs result of all other camera modules with sensor lens correction setting are similar to the output of the typical camera module with default lens correction settings. The sensor lens correction setting tuned for every camera module is stored in the OTP. How to define LSC calibration level? Sensor lens correction is calculated from lens shading under 5100K DNP and correction target is 60%~65%. ROI = 1/5 width * 1/5 height. Position: Full corner and center window. LSC compensation Target: (60%~65%) ±5%, Max – min < 6% GC8024 Calibration and OTP programming guide 4.2 Lens Correction Calibration Operation Procedure 4.2.1 Equipments and Operation Condition 1. Light source: DNP viewer Color temperature: 5100 ±100 K 2. Optical diffuser 3. Setup test condition Key Point of calibration environment setup: DNP luminance : Please control DNP viewer luminance is repeatable if can, which can help increase module calibration uniformity. Use optical diffuser to uniform and decrease the luminance. Any banding flicker image is not allowed. Fix calibration window and distance To keep calibration result have good repeatability, please setup a calibration device as a set of system. Fix optical filter position, calibration distance, DNP luminance for a repeatable calibration environment. Calibration system color temperature daily check Please check and record your calibration system color temperature every day. If the color temperature variation is big than 2%, please stop to do calibration on this set light. Keep consistent light source for WB calibration is necessary. 4.2.2 OTP key setting for LSC calibration Key setting for LSC calibration Turn on mirror, turn off flip function SCCB Address Value 0x6e 0xfe 00 //page select 0x6e 0x17 d5 GC8024 Calibration and OTP programming guide Turn off LSC Enable SCCB Address 0x6e 0xfe 0x6e 0xa0 Value 01 //page select 60 //bit[0]: LSC enable Turn on Manual White Balance SCCB Address Value 0x6e 0xfe 00 //page select 0x6e 0xb8 80 0x6e 0xb9 80 0x6e 0xba 80 0x6e 0xbb 80 0x6e 0xbc 80 0x6e 0xbd 80 0x6e 0xbe 80 0x6e 0xbf 80 Manual set AG/DG SCCB Address Value 0x6e 0xfe 00 //page select 0x6e 0xb6 00// AG=1x 0x6e 0xb1 01 //DG=1x 0x6e 0xb2 00 Notice: make sure that AG and DG should be set as 1x Manual set exposure time Adjust P0:0x03, P0:0x04 for exposure time , and set right value to confirm no banding flicker in the image, and keep G channel at center ROI is between 160~180DN in 8-bit scale, 640~720DN in 10-bit scale. 4.2.3 Operating procedure 1. Load GC8024 initial sensor setting for WB calibration and lens correction calibration. Full size , sensor raw. Load OTP key setting 2. GC8024 only have manual exposure function, so proper exposure time should be adjusted manually to make Green channel’ center ROI's average luminance is between 160~180DN in 8-bit scale. 3. Please set right exposure time to confirm no banding flicker in the image, otherwise the calibration result will be not accurate. 4. Capture raw image 1 to calculated LSC compensation setting. 5. Apply LSC setting to sensor and enable LSC as follow. If result is ok, then program data to OTP. SCCB Address Value 0x6e 0xfe 0x01 //page select GC8024 Calibration and OTP programming guide 0x6e 0xc9 0x01 //clear sram ////////////////channel R////////////////////// 0x6e 0xcf 0x08 //select channel R 0x6e 0xca 0x00 //offset address=0x00 0x6e 0xcc 0x88 //value 0x6e 0xca 0x01 //offset address=0x01 0x6e 0xcc 0x70 //value …… 0x6e 0xca 0x23 //offset address=0x23 0x6e 0xcc 0xA6 //value ////////////////channel G////////////////////// 0x6e 0xcf 0x04 //select channel G 0x6e 0xca 0x00 //offset address=0x00 0x6e 0xcc 0x6B //value 0x6e 0xca 0x01 //offset address=0x01 0x6e 0xcc 0x58 //value …… 0x6e 0xca 0x23 //offset address=0x23 0x6e 0xcc 0x85 //value ////////////////channel B////////////////////// 0x6e 0xcf 0x02 //select channel B 0x6e 0xca 0x00 //offset address=0x00 0x6e 0xcc 0x59 //value 0x6e 0xca 0x01 //offset address=0x01 0x6e 0xcc 0x54 //value …… 0x6e 0xca 0x23 //offset address=0x23 0x6e 0xcc 0x69 //value 0x6e 0xcf 0x01 //write finish 0x6e 0xa0 0x61 //LSC enable 6. Read LSC data from OTP. 5. White balance calibration 5.1 White balance calibration Color temperature based auto white balance (AWB) algorithm uses camera’s R, G, B response – the R/G and B/G values to detect color temperature. Under the same color temperature, the color response of different image sensor, different lens and different IR filter may have variation, which means R/G and B/G values varies from module to module. The variation may cause error in color temperature detection algorithm, or even cause incorrect color temperature detection result if the variation is too big. GC8024 Calibration and OTP programming guide 5.2 Method of White Balance Calibration The AWB algorithm of ISP uses R/G and B/G response of camera module to detect color temperature. Usually we use a golden camera module(it is called white balance golden module) is selected from a batch of modules. So ISP settings are tuned based on the typical camera module. The R/G and B/G of other modules may have some variation from the golden camera module. To minimize the R/G and B/G variation of other camera modules from golden camera module, R/G and B/G of each camera module is measured at module integrator site and written into sensor’s OTP. Then white balance gains of sensor are calculated and applied to make R/G and B/G of each camera module be close to golden camera module. The detailed white balance calibration procedure is described as below. 1. User should do WB calibration after LSC calibration, which can get higher accuracy of WB result. 2. Use OTP calibration setting, which includes two parts : sensor initial setting + OTP key setting. 3. Capture raw picture of each camera module under predefined light source, with predefined sensor setting and lens correction setting. 4. Calculate R/G and B/G of the center region from the captured picture and write it into OTP. 5. Camera driver define R/G and B/G of typical camera module as RG_typical and BG_typical. 6. For each camera module, read out R/G and B/G from GC8024 sensor. Calculate white balance gain from following formula. R_gain = RG_typical/RG_current; B_gain = BG_typical/BG_current; As the R/B gain calculation result may be less than 1x, which is not supported by GC8024, G gain may be applied to make sure that R/G/B gain >= 1x. 7. Apply R/G/B gain calculated above to sensor as follow: write R gain into 0xba and 0xbb, and write G gain into 0xb8 ,0xb9,0xbe and 0xbf, and write B gain into 0xbc and 0xbd. After R/G/B gain is applied to current camera module, the R/G, B/G of current camera module is very close to R/G, B/G of typical camera module. 5.3 Operation procedure of white balance calibration 5.3.1 Equipments and Operation Condition It is the same with LSC calibration 4.2.1. 5.3.2 WB calibration Key setting Key setting for WB calibration Turn on mirror, turn off flip function SCCB Address Value 0x6e 0xfe 00 //page select 0x6e 0x17 d5 GC8024 Calibration and OTP programming guide Manual set AG/DG SCCB Address Value 0x6e 0xfe 00 //page select 0x6e 0xb6 00// AG=1x 0x6e 0xb1 01 //DG=1x 0x6e 0xb2 00 Notice: make sure that AG and DG should be set as 1x Manual set exposure time Adjust P0:0x03, P0:0x04 for exposure time , and set right value to confirm no banding flicker in the image, and keep G channel at center ROI is between 160~180DN in 8-bit scale, 640~720DN in 10-bit scale. 5.3.3 Operating procedure 1.Base on LSC calibration setting, enable LSC and write LSC calibration result to sensor. Other setting don’t need to changes(loading GC8024 initial setting for AWB calibration: full size, Sensor raw. loading OTP key setting, to write WB key value to OTP). 2. GC8024 only have manual AE function , so proper exposure time should be adjusted manually to make Green channel’ center ROI's average luminance is between 160~180DN in 255DN domain. 3. Please set right exposure time to confirm no banding flicker in the image, otherwise the calibration result will be not accurate. 4. Read WB calibrate register to sensor , and capture raw image for analysis . 5.3.4 WB Calibration Data calculation 1. Region of interest(ROI) definition : Size : 1/5 Width_Resolution *1/5 Height_Resolution Position : Center GC8024 Calibration and OTP programming guide 2. Get average R, G, B value in the ROI window. R_Avg, B_Avg, G_Avg 3. Calculate the WB calibration data RG = R_Avg / G_Avg BG = B_Avg / G_Avg 4. Convert float to integer R/G = int(RG*256 + 0.5) B/G = int(BG*256 + 0.5) 5. Write R/G and B/G to OTP. 6. Write the WB calibration data to GC8024 sensor. 6. Check OTP group 6.1 Write OTP group procedure 1. OTP enable: Set register 0xf7 to '0x95'. Set register 0xf9 to '0x00'. Set register 0xfc to '0xce'. 2. Enable OTP clock read mode Set 0xfa[6] = 1 ,0xd4[7] = 1 3. Set address of OTP to be programmed Set 0xd4[1:0] ,0xd5 4. Value which needs to write into: set 0xd6 5. Delay 1ms 6. Check flag to confirm if current group is empty, invalid or valid 7. Write OTP enable: set 0xf3=0x40 6.2 Read OTP group procedure 1. OTP enable: Set register 0xf7 to '0x95'. Set register 0xf9 to '0x00'. Set register 0xfc to '0xce'. 2. Enable OTP clock read mode Set 0xfa[6] = 1 ,0xd4[7] = 1 3. address needs to read into: set 0xd4[1:0],0xd5 4. Delay 1ms 5. read OTP enable: set 0xf3=0x20 6. read value 0xd7 7. Initial setting for WB calibration and LSC calibration 7.1 MIPI 2lane // 720Mbps/Lane // Raw 10 GC8024 Calibration and OTP programming guide // full size SCCB Address Value 0x6e 0xf7 0x95 0x6e 0xf8 0x08 0x6e 0xf9 0x00 0x6e 0xfa 0x09 0x6e 0xfc 0xce sleep 1 0x6e 0xfe 0x00 0x6e 0x03 0x08 //exp_time [14:8] 0x6e 0x04 0xd0 //exp_time[7:0] 0x6e 0x05 0x02 0x6e 0x06 0x1c 0x6e 0x07 0x00 0x6e 0x08 0x10 0x6e 0x09 0x00 0x6e 0x0a 0x14 0x6e 0x0b 0x00 0x6e 0x0c 0x10 0x6e 0x0d 0x09 0x6e 0x0e 0x9c 0x6e 0x0f 0x0c 0x6e 0x10 0xd0 0x6e 0x17 0xd5 0x6e 0x18 0x02 0x6e 0x19 0x0b 0x6e 0x1a 0x19 0x6e 0x1c 0x0c 0x6e 0x21 0x12 0x6e 0x23 0xb0 0x6e 0x28 0x5f 0x6e 0x29 0xd4 0x6e 0x2f 0x4c 0x6e 0x30 0xf8 0x6e 0xcd 0x9a 0x6e 0xce 0xfd 0x6e 0xd0 0xd2 0x6e 0xd1 0xa8 0x6e 0xd3 0x35 0x6e 0xd8 0x20 0x6e 0xda 0x03 0x6e 0xdb 0x4e 0x6e 0xdc 0xb3 0x6e 0xde 0x40 GC8024 Calibration and OTP programming guide 0x6e 0xe1 0x1a 0x6e 0xe2 0x00 0x6e 0xe3 0x71 0x6e 0xe4 0x78 0x6e 0xe5 0x44 0x6e 0xe6 0xdf 0x6e 0xe8 0x02 0x6e 0xe9 0x01 0x6e 0xea 0x01 0x6e 0xeb 0x02 0x6e 0xec 0x02 0x6e 0xed 0x01 0x6e 0xee 0x01 0x6e 0xef 0x02 0x6e 0x80 0x50 0x6e 0x88 0x03 0x6e 0x89 0x03 0x6e 0x8d 0x03 0x6e 0x90 0x01 0x6e 0x92 0x02 0x6e 0x94 0x01 0x6e 0x95 0x09 0x6e 0x96 0x90 0x6e 0x97 0x0c 0x6e 0x98 0xc0 0x6e 0xb0 0x48 0x6e 0xb1 0x01 //digital gain[9:6] 0x6e 0xb2 0x00 //digital gain[5:0] 0x6e 0xb6 0x00 //analog gain 0x6e 0xfe 0x01 0x6e 0x50 0x00 0x6e 0x51 0x08 0x6e 0x52 0x10 0x6e 0x53 0x18 0x6e 0x54 0x19 0x6e 0x55 0x1a 0x6e 0x56 0x1b 0x6e 0x57 0x1c 0x6e 0x58 0x3c 0x6e 0x59 0x5c 0x6e 0x5a 0x7c 0x6e 0xfe 0x00 0x6e 0x40 0x22 0x6e 0x41 0x20 GC8024 Calibration and OTP programming guide 0x6e 0x42 0x10 0x6e 0x4e 0x3c 0x6e 0x4f 0x00 0x6e 0x60 0x00 0x6e 0x61 0x80 0x6e 0x66 0x3c 0x6e 0x69 0x03 0x6e 0x6c 0x00 0x6e 0x6d 0x0f 0x6e 0x35 0x30 0x6e 0x36 0x00 0x6e 0x37 0xf0 0x6e 0x38 0x80 0x6e 0x3b 0xf0 0x6e 0x3d 0x00 0x6e 0xfe 0x01 0x6e 0xc2 0x03 0x6e 0xc3 0x00 0x6e 0xc4 0xd8 0x6e 0xc5 0x00 ////////////////MIPI////////////////////// 0x6e 0xfe 0x03 0x6e 0x01 0x07 0x6e 0x02 0x34 0x6e 0x03 0x13 0x6e 0x04 0xf0 0x6e 0x06 0x80 0x6e 0x10 0x91 0x6e 0x11 0x2b 0x6e 0x12 0xf0 0x6e 0x13 0x0f 0x6e 0x15 0x02 0x6e 0x16 0x09 0x6e 0x18 0x01 0x6e 0x19 0x00 0x6e 0x1a 0x00 0x6e 0x21 0x10 0x6e 0x22 0x05 0x6e 0x23 0x30 0x6e 0x24 0x02 0x6e 0x25 0x15 0x6e 0x26 0x08 0x6e 0x29 0x06 0x6e 0x2a 0x04 GC8024 Calibration and OTP programming guide 0x6e 0x2b 0x08 0x6e 0xfe 0x00 7.2 MIPI 4lane // 720Mbps/Lane // Raw 10 // full size SCCB Address Value 0x6e 0xf7 0x95 0x6e 0xf8 0x0e 0x6e 0xf9 0x00 0x6e 0xfa 0x09 0x6e 0xfc 0xca 0x6e 0xfe 0x03 0x6e 0x18 0x07 0x6e 0x01 0x07 0x6e 0xfe 0x00 0x6e 0xfc 0xce sleep 1 0x6e 0xfe 0x00 0x6e 0x03 0x08 //exp_time [14:8] 0x6e 0x04 0xd0 //exp_time [7:0] 0x6e 0x05 0x01 0x6e 0x06 0xc2 0x6e 0x07 0x00 0x6e 0x08 0x10 0x6e 0x09 0x00 0x6e 0x0a 0x14 0x6e 0x0b 0x00 0x6e 0x0c 0x10 0x6e 0x0d 0x09 0x6e 0x0e 0x9c 0x6e 0x0f 0x0c 0x6e 0x10 0xd0 0x6e 0x17 0xd5 0x6e 0x18 0x02 0x6e 0x19 0x0c 0x6e 0x1a 0x19 0x6e 0x1c 0x0c 0x6e 0x21 0x12 0x6e 0x23 0xb0 0x6e 0x28 0x4f 0x6e 0x29 0xc1 GC8024 Calibration and OTP programming guide 0x6e 0x2f 0x4c 0x6e 0x30 0xf8 0x6e 0xcd 0x9a 0x6e 0xce 0xfd 0x6e 0xd0 0xd2 0x6e 0xd1 0xa8 0x6e 0xd3 0x35 0x6e 0xd8 0x20 0x6e 0xda 0x03 0x6e 0xdb 0x4e 0x6e 0xdc 0xb3 0x6e 0xde 0x40 0x6e 0xe1 0x1a 0x6e 0xe2 0x00 0x6e 0xe3 0x70 0x6e 0xe4 0x78 0x6e 0xe5 0x44 0x6e 0xe6 0xdf 0x6e 0xe8 0x02 0x6e 0xe9 0x01 0x6e 0xea 0x01 0x6e 0xeb 0x02 0x6e 0xec 0x02 0x6e 0xed 0x01 0x6e 0xee 0x01 0x6e 0xef 0x02 0x6e 0x80 0x50 0x6e 0x88 0x03 0x6e 0x89 0x03 0x6e 0x8d 0x03 0x6e 0x90 0x01 0x6e 0x92 0x02 0x6e 0x94 0x01 0x6e 0x95 0x09 0x6e 0x96 0x90 0x6e 0x97 0x0c 0x6e 0x98 0xc0 0x6e 0xb0 0x48 0x6e 0xb1 0x01 //digital gain[9:6] 0x6e 0xb2 0x00 //digital gain[5:0] 0x6e 0xb6 0x00 //analog gain 0x6e 0xfe 0x01 0x6e 0x50 0x00 0x6e 0x51 0x08 GC8024 Calibration and OTP programming guide 0x6e 0x52 0x10 0x6e 0x53 0x18 0x6e 0x54 0x19 0x6e 0x55 0x1a 0x6e 0x56 0x1b 0x6e 0x57 0x1c 0x6e 0x58 0x3c 0x6e 0x59 0x5c 0x6e 0x5a 0x7c 0x6e 0xfe 0x00 0x6e 0x40 0x22 0x6e 0x41 0x20 0x6e 0x42 0x10 0x6e 0x4e 0x3c 0x6e 0x4f 0x00 0x6e 0x60 0x00 0x6e 0x61 0x80 0x6e 0x66 0x3c 0x6e 0x69 0x03 0x6e 0x6c 0x00 0x6e 0x6d 0x0f 0x6e 0x35 0x30 0x6e 0x36 0x00 0x6e 0x37 0xf0 0x6e 0x38 0x80 0x6e 0x3b 0xf0 0x6e 0x3d 0x00 0x6e 0xfe 0x01 0x6e 0xc2 0x03 0x6e 0xc3 0x00 0x6e 0xc4 0xd8 0x6e 0xc5 0x00 ////////////////MIPI////////////////////// 0x6e 0xfe 0x03 0x6e 0x02 0x34 0x6e 0x03 0x13 0x6e 0x04 0xf0 0x6e 0x06 0x80 0x6e 0x10 0xd0 0x6e 0x11 0x2b 0x6e 0x12 0xf0 0x6e 0x13 0x0f 0x6e 0x15 0x02 0x6e 0x16 0x09 GC8024 Calibration and OTP programming guide 0x6e 0x19 0x30 0x6e 0x1a 0x03 0x6e 0x21 0x10 0x6e 0x22 0x05 0x6e 0x23 0x30 0x6e 0x24 0x02 0x6e 0x25 0x14 0x6e 0x26 0x08 0x6e 0x29 0x06 0x6e 0x2a 0x0a 0x6e 0x2b 0x08 0x6e 0xfe 0x00 GC8024 Calibration and OTP programming guide

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