W99681CF Datasheet, PDF (54/78 Pages) Winbond – JPEG USB Dual Mode Camera Chip

W99681CF
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reserved
Captured Video Height
Bits 15-11 Reserved
Bits 10-0 Captured Video Height
An 11-bit value specifies the height in line of the captured video which is down-scaled (or
not) from the cropped video. CR15 ≤ CR13 − CR11. Down-scaling is automatically done by
an internal DDA (Digital Differential Accumulator).
Video Capture Control Register (CR16)
Read/Write
Index: 0016H
Power-on Default: 0000H
15 14 13 12 11 10
VCE CAPCTL VSP HSP VIM
uC Address: 2CH - 2DH
9876543210
VI Format DBE DBS CLM CKF FTE FTM VC Format
Bit 15
Video Capture Enable
0 = Disable
1 = Enable
Bits 14-13 Video Capture Control
00 = Capture all received fields/frames video data
01 = Capture every other received fields/frames video data
10 = Capture and hold after one frame/field (non-interlaced/interlaced mode)
11 = Reserved
Bit 12
VS Input Pin Polarity
0 = Negative sync pulse
1 = Positive sync pulse
Bit 11
HS Input Pin Polarity
0 = Negative sync pulse
1 = Positive sync pulse
Bit 10
Input Video Mode
0 = 16-bit mode
1 = 8-bit mode
Bits 9-8 Input Video Data Format
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