1 isi control 1 register – Rainbow Electronics AT91CAP9S250A User Manual
Page 922
922
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
45.4.1
ISI Control 1 Register
Register Name: ISI_CR1
Access Type: Read/Write
Reset Value: 0x00000002
• ISI_RST: Image sensor interface reset
Write-only. Refer to bit SOFTRST in
Section 45.4.3 ”ISI Status Register” on page 926
for soft reset status.
0: No action
1: Resets the image sensor interface.
• ISI_DIS: Image sensor disable:
0: Enable the image sensor interface.
1: Finish capturing the current frame and then shut down the module.
• HSYNC_POL: Horizontal synchronization polarity
0: HSYNC active high
1: HSYNC active low
• VSYNC_POL: Vertical synchronization polarity
0: VSYNC active high
1: VSYNC active low
• PIXCLK_POL: Pixel clock polarity
0: Data is sampled on rising edge of pixel clock
1: Data is sampled on falling edge of pixel clock
• EMB_SYNC: Embedded synchronization
0: Synchronization by HSYNC, VSYNC
1: Synchronization by embedded synchronization sequence SAV/EAV
• CRC_SYNC: Embedded synchronization
0: No CRC correction is performed on embedded synchronization
31
30
29
28
27
26
25
24
SFD
23
22
21
20
19
18
17
16
SLD
15
14
13
12
11
10
9
8
CODEC_ON
THMASK
FULL
-
FRATE
7
6
5
4
3
2
1
0
CRC_SYNC
EMB_SYNC
-
PIXCLK_POL
VSYNC_POL
HSYNC_POL
ISI_DIS
ISI_RST