XRT75R12D_07 Datasheet, PDF (55/133 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET

XRT75R12D
REV. 1.0.3 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
TABLE 17: COMMAND REGISTER ADDRESS MAP, WITHIN THE XRT75R12D
ADDRESS
(HEX)
COMMAND REGISTER
(DECIMAL)
LABEL
TYPE
REGISTER NAME
0x1D
0x1E
0x1F
0x20
0x21
CR33
CHANNEL 2 CONTROL REGISTERS
IER2
R/W Source Level Interrupt Enable Register - Ch 2
0x22
CR34
ISR2 RUR 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
CR42
EM2
R/W Error counter MSByte Ch 2
0x2B
CR43
EL2
R/W Error counter LSbyte
0x2C
CR44
EH2
R/W Error counter Holding register
0x2D
0x2E
0x2F
0x30
CHANNEL 3 CONTROL REGISTERS
0x31
0x32
CR49
CR50
IER3
ISR3
R/W
RUR
Source Level Interrupt Enable Register - Ch 3
Source Level Interrupt Status Register - Ch 3
0x33
CR51
AS3
R/O 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
51