Datasheet

DS90UB903Q, DS90UB904Q
www.ti.com SNLS332E –JUNE 2010–REVISED APRIL 2013
Table 1. DS90UB903Q Control Registers (continued)
Addr
Name Bits Field R/W Default Description
(Hex)
Reserved 7:3 RESERVED 0x00'h Reserved
1: Valid PCLK detected
PCLK Detect 2 PCLK DETECT R 0
0: Valid PCLK not detected
C
Reserved 3 RESERVED 0 Reserved
Cable Link Detect 0: Cable link not detected
0 LINK DETECT R 0
Status 1: Cable link detected
D Reserved 7:0 RESERVED 0x11'h Reserved
E Reserved 7:0 RESERVED 0x01'h Reserved
F Reserved 7:0 RESERVED 0x03'h Reserved
10 Reserved 7:0 RESERVED 0x03'h Reserved
11 Reserved 7:0 RESERVED 0x03'h Reserved
12 Reserved 7:0 RESERVED 0x03'h Reserved
GPCR[7] 0: LOW
GPCR[6] 1: HIGH
GPCR[5]
GPCR[4]
General Purpose
13 7:0 RW 0x00'h
Control Reg
GPCR[3]
GPCR[2]
GPCR[1]
GPCR[0]
Table 2. DS90UB904Q Control Registers
Addr
Name Bits Field R/W Default Description
(Hex)
RW 0xC0'h 7-bit address of Deserializer; 0x60h
7:1 DEVICE ID
(1100_000X) default
0 I
2
C Device ID
0: Device ID is from ID[x]
0 DES ID SEL
1: Register I
2
C Device ID overrides ID[x]
7:3 RESERVED 0x00'h Reserved
Remote Wake-up Select
1: Enable
Generate remote wakeup signal automatically wake-up
2 REM_WAKEUP RW 0
the Serializer in Standby mode
0: Disable
1 Reset
Puts the Serializer in Standby mode
0 1: Resets the device to default register values. Does not
1 DIGITALRESET0 RW
self clear affect device I
2
C Bus or Device ID
0 1: Digital Reset, retains all register values
0 DIGITALRESET1 RW
self clear
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