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DS90UB903QSQ Datasheet, PDF (21/45 Pages) Texas Instruments – DS90UB903Q/DS90UB904Q 10 - 43MHz 18 Bit Color FPD-Link III Serializer and Deserializer
DS90UB903Q, DS90UB904Q
www.ti.com
Addr
(Hex)
Name
RESERVED
SCL Prescale
6
Remote NACK
Remote NACK
7
SER ID
8
ID[0] Index
9
ID[1] Index
A
ID[2] Index
B
ID[3] Index
C
ID[4] Index
D
ID[5] Index
E
ID[6] Index
F
ID[7] Index
10
ID[0] Match
11
ID[1] Match
12
ID[2] Match
13
ID[3] Match
14
ID[4] Match
SNLS332E – JUNE 2010 – REVISED APRIL 2013
Table 2. DS90UB904Q Control Registers (continued)
Bits
Field
R/W
7 RESERVED
6:4 SCL_PRESCALE
RW
3
REM_NACK_TIME
R
RW
2:0 NACK_TIMEOUT
RW
7:1 SER DEV ID
RW
0 RESERVED
7:1 ID[0] INDEX
RW
0 RESERVED
7:1 ID[1] INDEX
RW
0 RESERVED
7:1 ID[2] INDEX
RW
0 RESERVED
7:1 ID[3] INDEX
RW
0 RESERVED
7:1 ID[4] INDEX
RW
0 RESERVED
7:1 ID[5] INDEX
RW
0 RESERVED
7:1 ID[6] INDEX
RW
0 RESERVED
7:1 ID[7] INDEX
RW
0 RESERVED
7:1 ID[0] MATCH
RW
0 RESERVED
7:1 ID[1] MATCH
RW
0 RESERVED
7:1 ID[2] MATCH
RW
0 RESERVED
7:1 ID[3] MATCH
RW
0 RESERVED
7:1 ID[4] MATCH
RW
0 RESERVED
Default
Description
0
000'b
1
111'b
0xB0'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
0x00'h
Reserved
Prescales the SCL clock line when reading data byte
from a slave device (MODE = 0)
000 : ~100 kHz SCL (default)
001 : ~125 kHz SCL
101 : ~11 kHz SCL
110 : ~33 kHz SCL
111 : ~50 kHz SCL
Other values are NOT supported.
Remote NACK Timer Enable
In slave mode (MODE = 1) if bit is set the I2C core will
automatically timeout when no acknowledge condition
was detected.
1: Enable
0: Disable
Remote NACK Timeout.
000: 2.0 ms
001: 5.2 ms
010: 8.6 ms
011: 11.8 ms
100: 14.4 ms
101: 18.4 ms
110: 21.6 ms
111: 25.0 ms
Serializer Device ID = 0x58'h
(1011_000X'b) default
Reserved
Target slave Device ID slv_id0 [7:1]
Reserved
Target slave Device ID slv_id1 [7:1]
Reserved
Target slave Device ID slv_id2 [7:1]
Reserved
Target slave Device ID slv_id3 [7:1]
Reserved
Target slave Device ID slv_id4 [7:1]
Reserved
Target slave Device ID slv_id5 [7:1]
Reserved
Target slave Device ID slv_id6 [7:1]
Reserved
Target slave Device ID slv_id7 [7:1]
Reserved
Alias to match Device ID slv_id0 [7:1]
Reserved
Alias to match Device ID slv_id1 [7:1]
Reserved
Alias to match Device ID slv_id2 [7:1]
Reserved
Alias to match Device ID slv_id3 [7:1]
Reserved
Alias to match Device ID slv_id4 [7:1]
Reserved
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