DS125BR820 Datasheet, PDF (24/62 Pages) Texas Instruments – Low-Power 12.5 Gbps 8-Channel Linear Repeater

DS125BR820
SNLS491B – JULY 2014 – REVISED FEBRUARY 2015
www.ti.com
Table 7. Example Of EEPROM for Four Devices Using Two Address Maps (continued)
EEPROM
ADDRESS
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
ADDRESS
(Hex)
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
EEPROM
DATA
0x54
0x00
0x00
0x04
0x07
0x00
0x01
0xAB
0x00
0x00
0x1A
0xB0
0x00
0x01
0xAB
0x00
0x00
0x1A
0xB0
0x09
0x80
0x07
0x5C
0x00
0x00
0x15
0xA0
0x00
0x07
0x5C
0x00
0x00
0x15
0xA0
0x00
0x00
0x54
0x54
COMMENTS
End Device 0, 1 - Address Offset 39
Begin Device 2, 3 - Address Offset 3
EQ CHB0 = 0x01
VOD CHB0 = 011'b
VOD_DB CHB0 = 000'b
EQ CHB1 = 0x01
VOD CHB1 = 011'b, VOD_DB CHB1 = 000'b
EQ CHB2 = 0x01
VOD CHB2 = 011'b
VOD_DB CHB2 = 000'b
EQ CHB3 = 0x01
VOD CHB3 = 011'b, VOD_DB CHB3 = 000'b
Signal Detect Status Threshold Control
Signal Detect Status Threshold Control
EQ CHA0 = 0x03
VOD CHA0 = 110'b
VOD_DB CHA0 = 000'b
EQ CHA1 = 0x00
VOD CHA1 = 101'b, VOD_DB CHA1 = 000'b
EQ CHA2 = 0x03
VOD CHA2 = 110'b
VOD_DB CHA2 = 000'b
EQ CHA3 = 0x00
VOD CHA3 = 101'b, VOD_DB CHA3 = 000'b
End Device 2, 3 - Address Offset 39
Note: CRC_EN = 0, Address Map = 1, >256 byte = 0, Device Count[3:0] = 3. Multiple devices can point to the
same address map. Maximum EEPROM size is 8 kbits (1024 x 8-bits).
24
Submit Documentation Feedback
Copyright © 2014–2015, Texas Instruments Incorporated