W99681CF Datasheet, PDF (41/78 Pages) Winbond – JPEG USB Dual Mode Camera Chip

W99681CF
8 CONTROL AND STATUS REGISTERS
The internal W99681CF control registers can be accessed by performing one of the two vendor-specific
requests on the default pipe (Endpoint 0): Get W99681CF Control for read access and Set W99681CF
Control for write access. All W99681CF control registers are 16-bit wide and can be accessed in
WORD only. Table 8.1 shows the control register map.
Table 8.1 W99681CF Control Register Map
Index
uC Address Symbol Description
0000H BA + 00H - 01H CR00 Miscellaneous Control Register
0001H BA + 02H - 03H CR01 Serial Bus Control Register
0002H BA + 04H - 05H CR02 General I/O Port Control Register
0003H BA + 06H - 07H CR03 DRAM Timing Control Register
0004H BA + 08H - 09H CR04 SDRAM Control Register
0005H
0006H
BA + 0AH - 0BH
BA + 0CH - 0DH
CR05
CR06
Memory Controller Test Mode Control Register
Fast Serial Bus Write Register 0
0007H BA + 0EH - 0FH CR07 Fast Serial Bus Write Register 1
0008H BA + 10H - 11H CR08 Fast Serial Bus Write Register 2
0009H BA + 12H - 13H CR09 Fast Serial Bus Write Register 3
000CH
000DH
BA + 18H - 19H
BA + 1AH - 1BH
CR0C
CR0D
uC Access DRAM Start Address Low Register
uC Access DRAM Start Address High Register
000EH BA + 1CH - 1DH CR0E uC Access DRAM Data Port Register
000FH BA + 1EH - 1FH CR0F Vendor String Register
0010H BA + 20H - 21H CR10 Cropping Window Start X Register
0011H BA + 22H - 23H CR11 Cropping Window Start Y Register
0012H BA + 24H - 25H CR12 Cropping Window End X Register
0013H
0014H
BA + 26H - 27H
BA + 28H - 29H
CR13
CR14
Cropping Window End Y Register
Captured Video Width Register
0015H BA + 2AH - 2BH CR15 Captured Video Height Register
0016H BA + 2CH - 2DH CR16 Video Capture Control Register
0017H BA + 2EH - 2FH CR17 Video Capture Test Mode Control Register
0018H
0020H
BA + 30H - 31H
BA + 40H - 41H
CR18
CR20
Capture Test Data Register
Capture Y Frame Buffer 0 Start Address Low Register
0021H BA + 42H - 43H CR21 Capture Y Frame Buffer 0 Start Address High Register
- 41 -
Publication Release Date: March 2000
Revision A1