Analog Devices Advantiv ADV7619 Hardware User's Manual page 37

Hardware User Guide
PORT B E-EDID STRUCTURE
0x1FF BLOCK 3 CHECKSUM
BLOCK 3
0x180
0x17F
BLOCK 2 CHECKSUM
BLOCK 2
0x100
0xFF
BLOCK 1 CHECKSUM
BLOCK 1
0x80
0x7F
BLOCK 0 CHECKSUM
BLOCK 0
0x00
PORT B E-EDID STRUCTURE
0x1FF BLOCK 3 CHECKSUM
BLOCK 3
0x180
0x17F
BLOCK 2 CHECKSUM
BLOCK 2
0x100
0xFF BLOCK 1 CHECKSUM
BLOCK 1
0x80
0x7F BLOCK 0 CHECKSUM
BLOCK 0
0x00
The SPA of Port B is programmed in the SPA_PORT_B[15:0] register. The SPA location is programmed in the SPA_LOCATION[7:0]
register. This register should contain a value greater than 0x7F since the SPA is located in an upper block of the E-EDID.
0x1FE
0x180
0xFF
0x17E
SPA_LOCATION[8:0]+2
0x100
0xFE
0x7E
0x00
Figure 7. Port B E-EDID Structure and Mapping for SPA Located in E-EDID Block 2
0x1FF
0x1FE
SPA_LOCATION[8:0]+2
0x180
0x17E
0xFE
0x7E
0x00
Figure 8. Port B E-EDID Structure and Mapping for SPA Located in E-EDID Block 3
Rev. A | Page 37 of 204
0x1FF
PORT_B_CHECKSUM[7:0]
0xFE
SPA_PORT_B[15:0]
SPA_LOCATION[8:0]–1
0xFF
PORT_B_CHECKSUM[7:0]
0x1FE
SPA_PORT_B[15:0]
SPA_LOCATION[8:0]–1
0x7F
INTERNAL EDID RAM
REPEATER MAP, REG 0x70, REG 0x71
INTERNAL EDID RAM
REPEATER MAP, REG 0x70, REG 0x71
INTERNAL EDID RAM
REPEATER MAP, REG 0x70, REG 0x71
INTERNAL EDID RAM
REPEATER MAP, REG 0x70, REG 0x71
INTERNAL EDID RAM
UG-237