DS90UR908Q Datasheet, PDF (22/30 Pages) National Semiconductor (TI) – 5 - 65 MHz 24-bit Color FPD-Link II to FPD-Link Converter

FIGURE 22. Serial Control Bus — READ
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FIGURE 23. Serial Control Bus — WRITE
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TABLE 8. Serial Bus Control Registers
ADD ADD Register Name Bit(s) R/W Defa Function
(dec) (hex)
ult
(bin)
0 0 Des Config 1
7 R/W 0 LFMODE
6 R/W 0 MAPSEL
5 R/W 0 Reserved
4 R/W 0 Reserved
3:2 R/W 00 CONFIG
1 1 Slave ID
1 R/W 0 SLEEP
0 R/W 0 REG Control
7 R/W 0
6:0 R/W 1110 ID[X]
000
Description
0: 20 to 65 MHz Operation
1: 5 to 20 MHz Operation
FPD-Link Map Select
0: LSB on TxOUT3+/-
1: MSB on TxOUT3+/-
Reserved
Reserved
00: Normal Mode, Control Signal Filter Disabled
01: Normal Mode, Control Signal Filter Enabled
10: Backwards Compatible (DS90UR241)
11: Backwards Compatible (DS90C241)
Note – not the same function as PowerDown (PDB)
0: normal mode
1: Sleep Mode – Register settings retained.
0: Configurations set from control pins / STRAP pin
1: Configurations set from registers (except I2C_ID)
0: Address from ID[X] Pin
1: Address from Register
Serial Bus Device ID, Four IDs are:
7b '1110 001 (h'71); 8b ' 1110 0010 (h'E2)
7b '1110 010 (h'72); 8b ' 1110 0100 (h'E4)
7b '1110 011 (h'73); 8b ' 1110 0110 (h'E6)
7b '1110 110 (h'76); 8b ' 1110 1100 (h'EC)
All other addresses are Reserved.
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