PIC32CZ1038MC70064 ISI registers

The 25 registers of ISI (Image Sensor Interface), from 0x4004C000, with their reset value and every field. The PIC32CZ1038MC70064 has 2232 registers in 54 peripherals, one page each.

ISI Image Sensor Interface

ISI_CFG1ISI Configuration 1 Register

Address: 0x4004C000
Reset: 0x00000000
Access: read/write
Size: 32-bit

12 fields

Field	Bits	What it does
SLD	23:16	Start of Line Delay
THMASK	14:13	Threshold Mask `0` Only 4 beats AHB burst allowed `1` Only 4 and 8 beats AHB burst allowed `2` 4, 8 and 16 beats AHB burst allowed
FULL	12	Full Mode is Allowed
DISCR	11	Disable Codec Request
FRATE	10:8	Frame Rate [0..7]
CRC_SYNC	7	Embedded Synchronization Correction
EMB_SYNC	6	Embedded Synchronization
GRAYLE	5	Grayscale Little Endian
PIXCLK_POL	4	Pixel Clock Polarity
VSYNC_POL	3	Vertical Synchronization Polarity
HSYNC_POL	2	Horizontal Synchronization Polarity
SFD	31:24	Start of Frame Delay

ISI_CFG2ISI Configuration 2 Register

Address: 0x4004C004
Reset: 0x00000000
Access: read/write
Size: 32-bit

9 fields

Field	Bits	What it does
YCC_SWAP	29:28	YCrCb Format Swap Mode `0` Byte 0 Cb(i)Byte 1 Y(i)Byte 2 Cr(i)Byte 3 Y(i+1) `1` Byte 0 Cr(i)Byte 1 Y(i)Byte 2 Cb(i)Byte 3 Y(i+1) `2` Byte 0 Y(i)Byte 1 Cb(i)Byte 2 Y(i+1)Byte 3 Cr(i) `3` Byte 0 Y(i)Byte 1 Cr(i)Byte 2 Y(i+1)Byte 3 Cb(i)
IM_HSIZE	26:16	Horizontal Size of the Image Sensor [0..2047]
COL_SPACE	15	Color Space for the Image Data
RGB_SWAP	14	RGB Format Swap Mode
GRAYSCALE	13	Grayscale Mode Format Enable
RGB_MODE	12	RGB Input Mode
GS_MODE	11	Grayscale Pixel Format Mode
IM_VSIZE	10:0	Vertical Size of the Image Sensor [0..2047]
RGB_CFG	31:30	RGB Pixel Mapping Configuration `0` Byte 0 R/G(MSB)Byte 1 G(LSB)/BByte 2 R/G(MSB)Byte 3 G(LSB)/B `1` Byte 0 B/G(MSB)Byte 1 G(LSB)/RByte 2 B/G(MSB)Byte 3 G(LSB)/R `2` Byte 0 G(LSB)/RByte 1 B/G(MSB)Byte 2 G(LSB)/RByte 3 B/G(MSB) `3` Byte 0 G(LSB)/BByte 1 R/G(MSB)Byte 2 G(LSB)/BByte 3 R/G(MSB)

ISI_PSIZEISI Preview Size Register

Address: 0x4004C008
Reset: 0x00000000
Access: read/write
Size: 32-bit

2 fields

Field	Bits	What it does
PREV_HSIZE	25:16	Horizontal Size for the Preview Path
PREV_VSIZE	9:0	Vertical Size for the Preview Path

ISI_PDECFISI Preview Decimation Factor Register

Address: 0x4004C00C
Reset: 0x00000000
Access: read/write
Size: 32-bit

1 field

Field	Bits	What it does
DEC_FACTOR	7:0	Decimation Factor

ISI_Y2R_SET0ISI Color Space Conversion YCrCb To RGB Set 0 Register

Address: 0x4004C010
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
C2	23:16	Color Space Conversion Matrix Coefficient C2
C1	15:8	Color Space Conversion Matrix Coefficient C1
C0	7:0	Color Space Conversion Matrix Coefficient C0
C3	31:24	Color Space Conversion Matrix Coefficient C3

ISI_Y2R_SET1ISI Color Space Conversion YCrCb To RGB Set 1 Register

Address: 0x4004C014
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
Cboff	14	Color Space Conversion Blue Chrominance Default Offset
Croff	13	Color Space Conversion Red Chrominance Default Offset
Yoff	12	Color Space Conversion Luminance Default Offset
C4	8:0	Color Space Conversion Matrix Coefficient C4

ISI_R2Y_SET0ISI Color Space Conversion RGB To YCrCb Set 0 Register

Address: 0x4004C018
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
Roff	24	Color Space Conversion Red Component Offset
C2	22:16	Color Space Conversion Matrix Coefficient C2
C1	14:8	Color Space Conversion Matrix Coefficient C1
C0	6:0	Color Space Conversion Matrix Coefficient C0

ISI_R2Y_SET1ISI Color Space Conversion RGB To YCrCb Set 1 Register

Address: 0x4004C01C
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
Goff	24	Color Space Conversion Green Component Offset
C5	22:16	Color Space Conversion Matrix Coefficient C5
C4	14:8	Color Space Conversion Matrix Coefficient C4
C3	6:0	Color Space Conversion Matrix Coefficient C3

ISI_R2Y_SET2ISI Color Space Conversion RGB To YCrCb Set 2 Register

Address: 0x4004C020
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
Boff	24	Color Space Conversion Blue Component Offset
C8	22:16	Color Space Conversion Matrix Coefficient C8
C7	14:8	Color Space Conversion Matrix Coefficient C7
C6	6:0	Color Space Conversion Matrix Coefficient C6

ISI_CRISI Control Register

Address: 0x4004C024
Reset: 0x00000000
Access: write only
Size: 32-bit

4 fields

Field	Bits	What it does
ISI_CDC	8	ISI Codec Request
ISI_SRST	2	ISI Software Reset Request
ISI_DIS	1	ISI Module Disable Request
ISI_EN	0	ISI Module Enable Request

ISI_SRISI Status Register

Address: 0x4004C028
Reset: 0x00000000
Access: read only
Size: 32-bit

12 fields

Field	Bits	What it does
FR_OVR	27	Frame Rate Overrun (cleared on read)
CRC_ERR	26	CRC Synchronization Error (cleared on read)
C_OVR	25	Codec Datapath Overflow (cleared on read)
P_OVR	24	Preview Datapath Overflow (cleared on read)
SIP	19	Synchronization in Progress
CXFR_DONE	17	Codec DMA Transfer has Terminated (cleared on read)
PXFR_DONE	16	Preview DMA Transfer has Terminated (cleared on read)
VSYNC	10	Vertical Synchronization (cleared on read)
CDC_PND	8	Pending Codec Request
SRST	2	Module Software Reset Request has Terminated (cleared on read)
DIS_DONE	1	Module Disable Request has Terminated (cleared on read)
ENABLE	0	Module Enable

ISI_IERISI Interrupt Enable Register

Address: 0x4004C02C
Reset: 0x00000000
Access: write only
Size: 32-bit

9 fields

Field	Bits	What it does
FR_OVR	27	Frame Rate Overflow Interrupt Enable
CRC_ERR	26	Embedded Synchronization CRC Error Interrupt Enable
C_OVR	25	Codec Datapath Overflow Interrupt Enable
P_OVR	24	Preview Datapath Overflow Interrupt Enable
CXFR_DONE	17	Codec DMA Transfer Done Interrupt Enable
PXFR_DONE	16	Preview DMA Transfer Done Interrupt Enable
VSYNC	10	Vertical Synchronization Interrupt Enable
SRST	2	Software Reset Interrupt Enable
DIS_DONE	1	Disable Done Interrupt Enable

ISI_IDRISI Interrupt Disable Register

Address: 0x4004C030
Reset: 0x00000000
Access: write only
Size: 32-bit

9 fields

Field	Bits	What it does
FR_OVR	27	Frame Rate Overflow Interrupt Disable
CRC_ERR	26	Embedded Synchronization CRC Error Interrupt Disable
C_OVR	25	Codec Datapath Overflow Interrupt Disable
P_OVR	24	Preview Datapath Overflow Interrupt Disable
CXFR_DONE	17	Codec DMA Transfer Done Interrupt Disable
PXFR_DONE	16	Preview DMA Transfer Done Interrupt Disable
VSYNC	10	Vertical Synchronization Interrupt Disable
SRST	2	Software Reset Interrupt Disable
DIS_DONE	1	Disable Done Interrupt Disable

ISI_IMRISI Interrupt Mask Register

Address: 0x4004C034
Reset: 0x00000000
Access: read only
Size: 32-bit

9 fields

Field	Bits	What it does
FR_OVR	27	Frame Rate Overrun
CRC_ERR	26	CRC Synchronization Error
C_OVR	25	Codec FIFO Overflow
P_OVR	24	Preview FIFO Overflow
CXFR_DONE	17	Codec DMA Transfer Completed
PXFR_DONE	16	Preview DMA Transfer Completed
VSYNC	10	Vertical Synchronization
SRST	2	Software Reset Completed
DIS_DONE	1	Module Disable Operation Completed

ISI_DMA_CHERDMA Channel Enable Register

Address: 0x4004C038
Reset: 0x00000000
Access: write only
Size: 32-bit

2 fields

Field	Bits	What it does
C_CH_EN	1	Codec Channel Enable
P_CH_EN	0	Preview Channel Enable

ISI_DMA_CHDRDMA Channel Disable Register

Address: 0x4004C03C
Reset: 0x00000000
Access: write only
Size: 32-bit

2 fields

Field	Bits	What it does
C_CH_DIS	1	Codec Channel Disable Request
P_CH_DIS	0	Preview Channel Disable Request

ISI_DMA_CHSRDMA Channel Status Register

Address: 0x4004C040
Reset: 0x00000000
Access: read only
Size: 32-bit

2 fields

Field	Bits	What it does
C_CH_S	1	Code DMA Channel Status
P_CH_S	0	Preview DMA Channel Status

ISI_DMA_P_ADDRDMA Preview Base Address Register

Address: 0x4004C044
Reset: 0x00000000
Access: read/write
Size: 32-bit

1 field

Field	Bits	What it does
P_ADDR	31:2	Preview Image Base Address

ISI_DMA_P_CTRLDMA Preview Control Register

Address: 0x4004C048
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
P_DONE	3	Preview Transfer Done
P_IEN	2	Transfer Done Flag Control
P_WB	1	Descriptor Writeback Control Bit
P_FETCH	0	Descriptor Fetch Control Bit

ISI_DMA_P_DSCRDMA Preview Descriptor Address Register

Address: 0x4004C04C
Reset: 0x00000000
Access: read/write
Size: 32-bit

1 field

Field	Bits	What it does
P_DSCR	31:2	Preview Descriptor Base Address

ISI_DMA_C_ADDRDMA Codec Base Address Register

Address: 0x4004C050
Reset: 0x00000000
Access: read/write
Size: 32-bit

1 field

Field	Bits	What it does
C_ADDR	31:2	Codec Image Base Address

ISI_DMA_C_CTRLDMA Codec Control Register

Address: 0x4004C054
Reset: 0x00000000
Access: read/write
Size: 32-bit

4 fields

Field	Bits	What it does
C_DONE	3	Codec Transfer Done
C_IEN	2	Transfer Done Flag Control
C_WB	1	Descriptor Writeback Control Bit
C_FETCH	0	Descriptor Fetch Control Bit

ISI_DMA_C_DSCRDMA Codec Descriptor Address Register

Address: 0x4004C058
Reset: 0x00000000
Access: read/write
Size: 32-bit

1 field

Field	Bits	What it does
C_DSCR	31:2	Codec Descriptor Base Address

ISI_WPMRWrite Protection Mode Register

Address: 0x4004C0E4
Reset: 0x00000000
Access: read/write
Size: 32-bit

2 fields

Field	Bits	What it does
WPEN	0	Write Protection Enable
WPKEY	31:8	Write Protection Key Password `4805449` Writing any other value in this field aborts the write operation of the WPEN bit.Always reads as 0.

ISI_WPSRWrite Protection Status Register

Address: 0x4004C0E8
Reset: 0x00000000
Access: read only
Size: 32-bit

2 fields

Field	Bits	What it does
WPVSRC	23:8	Write Protection Violation Source
WPVS	0	Write Protection Violation Status