Datasheet

DS92LX1621, DS92LX1622
www.ti.com SNLS327I –MAY 2010–REVISED JANUARY 2014
Table 1. DS92LX1621 Control Registers (continued)
Addr
Name Bits Field R/W Default Description
(Hex)
I
2
C ratio is determined by the following:
f
SCL
= 6.25 MHz / register value (in
decimal)
5 I
2
C Bus Rate 7:0 I
2
C BUS RATE RW 0x40
0x40'h = ~100 kHz SCL (default)
Note: Register values <0x32'h are NOT
supported.
Deserializer Device ID = 0x60
7:1 DES DEV ID RW 0x60
(1100_000X) default
6 DES ID
0 RESERVED 0 Reserved
SLAVE DEV ID Slave Device ID. Must be programmed to
7:1 RW 0
communicate with remote slave device
7 Slave ID
0 RESERVED 0 Reserved
8 Reserved 7:0 RESERVED RW 0 Reserved
9 Reserved 7:0 RESERVED RW 1 Reserved
A CRC Errors 7:0 CRC ERROR B0 R 0 Number of CRC errors - 8 LSBs
B CRC Errors 7:0 CRC ERROR B1 R 0 Number of CRC errors - 8 MSBs
Reserved 7:3 RESERVED 0 Reserved
1: Valid PCLK detected
PCLK Detect 2 PCLK DETECT R 0
0: Valid PCLK not detected
C
1: CRC error during communication with
CRC Check 1 DES ERROR R 0
Deserializer
Cable Link Detect 1: Cable link detected
0 LINK DETECT R 0
Status 0: Cable link not detected
7:4 RESERVED 1 Reserved
3:2 RESERVED 0 Reserved
0: Output
D GPIO[0] Config
1 GPIO0 DIR RW 0
1: Input
0: TRI-STATE
0 GPIO0 EN RW 1
1: Enabled
7:4 RESERVED 0 Reserved
3:2 RESERVED 0 Reserved
0: Output
E GPIO[1] Config
1 GPIO1 DIR RW 0
1: Input
0: TRI-STATE
0 GPIO1 EN RW 1
1: Enabled
7:4 RESERVED 0 Reserved
3:2 RESERVED 0 Reserved
0: Output
F GPIO[2] Config
1 GPIO2 DIR RW 1
1: Input
0: TRI-STATE
0 GPIO2 EN RW 1
1: Enabled
7:4 RESERVED 0 Reserved
3:2 RESERVED 0 Reserved
0: Output
10 GPIO[3] Config
1 GPIO3 DIR RW 1
1: Input
0: TRI-STATE
0 GPIO3 EN RW 1
1: Enabled
7:4 RESERVED 0 Reserved
3:2 RESERVED 0 Reserved
0: Output
11 GPIO[4] Config
1 GPIO4 DIR RW 1
1: Input
0: TRI-STATE
0 GPIO4 EN RW 1
1: Enabled
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