DS92LX1621 Datasheet, PDF (21/44 Pages) National Semiconductor (TI) – 10 - 50 MHz Channel Link III Serializer and Deserializer with Embedded Bi-Directional Control Channel

Addr
(Hex)
Name
Bits Field
R/W Default Description
I²C ratio is determined by the following: f_SCL = 6.25
5
I²C Bus Rate 7:0 I²C BUS RATE
RW
0x40 ^{MHz / register value (in decimal)}
0x40'h = ~100 kHz SCL (default)
Note: Register values <0x32'h are NOT supported.
6
DES ID
7:1 DES DEV ID
RW
0x60
Deserializer Device ID = 0x60
(1100_000X) default
0 RESERVED
0
Reserved.
7:1 SLAVE DEV ID
RW
0
Slave Device ID. Must be programmed to communicate
7
Slave ID
with remote slave device
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
PCLK Detect
2 PCLK DETECT
R
C
CRC Check
1 DES ERROR
R
0
1: Valid PCLK detected
0: Valid PCLK not detected
0
1: CRC error during communication with Deserializer
Cable Link
Detect Status
0 LINK DETECT
R
0
1: Cable link detected
0: Cable link not detected
7:4 RESERVED
1
Reserved
3:2 RESERVED
0
Reserved
D
GPIO[0] Config 1 GPIO0 DIR
RW
0
0: Output
1: Input
0 GPIO0 EN
RW
1
0: TRI-STATE®
1: Enabled
7:4 RESERVED
0
Reserved
3:2 RESERVED
0
Reserved
E
GPIO[1] Config 1 GPIO1 DIR
RW
0
0: Output
1: Input
0 GPIO1 EN
RW
1
0: TRI-STATE®
1: Enabled
7:4 RESERVED
0
Reserved
3:2 RESERVED
0
Reserved
F
GPIO[2] Config 1 GPIO2 DIR
RW
1
0: Output
1: Input
0 GPIO2 EN
RW
1
0: TRI-STATE®
1: Enabled
7:4 RESERVED
0
Reserved
3:2 RESERVED
0
Reserved
10 GPIO[3] Config 1 GPIO3 DIR
RW
1
0: Output
1: Input
0 GPIO3 EN
RW
1
0: TRI-STATE®
1: Enabled
7:4 RESERVED
0
Reserved
3:2 RESERVED
0
Reserved
11 GPIO[4] Config 1 GPIO4 DIR
RW
1
0: Output
1: Input
0 GPIO4 EN
RW
1
0: TRI-STATE®
1: Enabled
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