AR0330 Datasheet, PDF (58/77 Pages) ON Semiconductor – CMOS Digital Image Sensor

AR0330: 1/3-Inch CMOS Digital Image Sensor
Changing Sensor Modes
Table 39: List of Configurable Registers for Context A and Context B
Context A
Register Description
Address
Coarse_integration_time
Fine_integration_time
Line_length_pck
Frame_length_lines
COL_SF_BIN_EN
ROW_BIN
COL_BIN
FINE_GAIN
COARSE_GAIN
x_addr_start
y_addr_start
x_addr_end
y_addr_end
Y_odd_inc
X_odd_inc
ADC_HIGH_SPEED
GREEN1_GAIN
BLUE_GAIN
RED_GAIN
GREEN2_GAIN
GLOBAL_GAIN
0x3012
0x3014
0x300C
0x300A
0x3040[9]
0x3040[12]
0x3040[13]
0x3060[3:0]
0x3060[5:4]
0x3004
0x3002
0x3008
0x3006
0x30A6
0x30A2
0x30BA[6]
0x3056
0x3058
0x305A
0x305C
0x305E
Context B
Register Description
Address
Coarse_integration_time_CB
Fine_integration_time_CB
Line_length_pck_CB
Frame_length_lines_CB
COL_SF_BIN_EN_CB
ROW_BIN_CB
COL_BIN_CB
FINE_GAIN_CB
COARSE_GAIN_CB
x_addr_start_CB
y_addr_start_CB
x_addr_end_CB
y_addr_end_CB
Y_odd_inc_CB
X_odd_inc_CB
ADC_HIGH_SPEED_CB
GREEN1_GAIN_CB
BLUE_GAIN_CB
RED_GAIN_CB
GREEN2_GAIN_CB
GLOBAL_GAIN_CB
0x3016
0x3018
0x303E
0x30AA
0x3040[8]
0x3040[10]
0x3040[11]
0x3060[11:8]
0x3060[13:12]
0x308A
0x308C
0x308E
0x3090
0x30A8
0x30AE
0x30BA[7]
0x30BC
0x30BE
0x30C0
0x30C2
0x30C4
Note: ON Semiconductor recommends leaving fine_integration_time at 0.
Figure 41: Example of Changing the Sensor from Context A to Context B
1/60s
1/60s
1/54s
Vertical Blanking
Active Rows
Time
Serial SYNC Codes
Start of Vertical Blanking
Start of Frame
Start of Active Row
End of Frame
End of Frame
Readout
End of Frame
Readout
HB (192 Pixels/Column)
2304x1296
Frame N
HB (192 Pixels/Column)
2304x1296
Frame N+1
HB (192 Pixels/Column)
2048x1536
Frame N+2
End of Frame
Readout
Write context A to B
during readout of Frame N
Integration time of context
B mode implemented
during readout of frame
N+1
Context B mode is
implemented in frame N+2
AR0330_DS Rev. U Pub. 4/15 EN
58
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