
DS2151Q
8 of 60
2.1 DS2151Q Register Map
ADDRESS R/W
REGISTER NAME
ADDRESS R/W
REGISTER NAME
20
R/W Status Register 1
30
R/W Common Control Register 3
21
R/W Status Register 2
31
R/W Receive Information Register 2
22
R/W Receive Information Register 1
32
R/W Transmit Channel Blocking Register 1
23
R
Line Code Violation Count
Register 1
33
R/W Transmit Channel Blocking Register 2
24
R
Line Code Violation Count
Register 2
34
R/W Transmit Channel Blocking Register 3
25
R
Path Code Violation Count
Register 1 (Note 1)
35
R/W Transmit Control Register 1
26
R
Path Code Violation Count
Register 2
36
R/W Transmit Control Register 2
27
R
Multiframe Out of Sync Count
Register 2
37
R/W Common Control Register 1
28
R Receive FDL Register
38
R/W Common Control Register 2
29
R/W Receive FDL Match Register 1
39
R/W Transmit Transparency Register 1
2A
R/W Receive FDL Match Register 2
3A
R/W Transmit Transparency Register 2
2B
R/W Receive Control Register 1
3B
R/W Transmit Transparency Register 3
2C
R/W Receive Control Register 2
3C
R/W Transmit Idle Register 1
2D
R/W Receive Mark Register 1
3D
R/W Transmit Idle Register 2
2E
R/W Receive Mark Register 2
3E
R/W Transmit Idle Register 3
2F
R/W Receive Mark Register 3
3F
R/W Transmit Idle Definition Register
60
R Receive Signaling Register 1
70
R/W Transmit Signaling Register 1
61
R Receive Signaling Register 2
71
R/W Transmit Signaling Register 2
62
R Receive Signaling Register 3
72
R/W Transmit Signaling Register 3
63
R Receive Signaling Register 4
73
R/W Transmit Signaling Register 4
64
R Receive Signaling Register 5
74
R/W Transmit Signaling Register 5
65
R Receive Signaling Register 6
75
R/W Transmit Signaling Register 6
66
R Receive Signaling Register 7
76
R/W Transmit Signaling Register 7
67
R Receive Signaling Register 8
77
R/W Transmit Signaling Register 8
68
R Receive Signaling Register 9
78
R/W Transmit Signaling Register 9
69
R Receive Signaling Register 10
79
R/W Transmit Signaling Register 10
6A
R Receive Signaling Register 11
7A
R/W Transmit Signaling Register 11
6B
R Receive Signaling Register 12
7B
R/W Transmit Signaling Register 12
6C
R/W
Receive Channel Blocking
Register 1
7C
R/W Line Interface Control Register
6D
R/W
Receive Channel Blocking
Register 2
7D
R/W Test Register (Note 2)
6E
R/W
Receive Channel Blocking
Register 3
7E
R/W Transmit FDL Register
6F
R/W Interrupt Mask Register 2
7F
R/W Interrupt Mask Register 1
Note 1: Address 25 also contains Multiframe Out of Sync Count Register 1.
Note 2: The Test Register is used only by the factory; this register must be cleared (set to all 0s) on power-up initialization to insure proper
operation.