XRT75R12_0710 Datasheet, PDF (53/90 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER

REV. 1.0.4
XRT75R12
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
TABLE 17: COMMAND REGISTER ADDRESS MAP, WITHIN THE XRT75R12
ADDRESS
(HEX)
COMMAND REGISTER
(DECIMAL)
LABEL
TYPE
REGISTER NAME
0x21
0x22
CR33
CR34
IER2
ISR2
R/W
RUR
Source Level Interrupt Enable Register - Ch 2
Source Level Interrupt Status Register - Ch 2
0x23
CR35
AS2
R/O Alarm Status Register - Ch 2
0x24
CR36
TC2
R/W Transmit Control Register - Ch 2
0x25
0x26
CR37
CR38
RC2
CC2
R/W Receive Control Register - Ch 2
R/W Channel Control Register - Ch 2
0x27
CR39
JA2
R/W Jitter Attenuator Control Register - Ch 2
0x28
0x29
0x2A
0x2B
CR42
CR43
EM2
EL2
R/W Error counter MSByte Ch 2
R/W Error counter LSbyte
0x2C
CR44
EH2
R/W Error counter Holding register
0x2D
0x2E
0x2F
0x30
CHANNEL 3 CONTROL REGISTERS
0x31
CR49
IER3 R/W Source Level Interrupt Enable Register - Ch 3
0x32
0x33
CR50
CR51
ISR3
AS3
RUR
R/O
Source Level Interrupt Status Register - Ch 3
Alarm Status Register - Ch 3
0x34
CR52
TC3
R/W Transmit Control Register - Ch 3
0x35
CR53
RC3
R/W Receive Control Register - Ch 3
0x36
0x37
CR54
CR55
CC3
JA3
R/W Channel Control Register - Ch 3
R/W Jitter Attenuator Control Register - Ch 3
0x38
0x39
0x3A
CR58
EM3
R/W Error counter MSByte Ch 3
0x3B
0x3C
CR59
CR60
EL3
R/W Error counter LSbyte
EH3
R/W Error counter Holding register
0x3D
0x3E
0x3F
50