XRT75R12 Datasheet, PDF (54/89 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

XRT75R12
REV. P1.0.2
PRELIMINARY
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
ADDRESS
(HEX)
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3A
0x3B
COMMAND REGISTER
(DECIMAL)
LABEL
TYPE
REGISTER NAME
CR33
CR34
CR35
CR36
CR37
CR38
CR39
CHANNEL 2 CONTROL REGISTERS
IER2 R/W Source Level Interrupt Enable Register - Ch 2
ISR2 RUR Source Level Interrupt Status Register - Ch 2
AS2
R/O Alarm Status Register - Ch 2
TC2
R/W Transmit Control Register - Ch 2
RC2
R/W Receive Control Register - Ch 2
CC2
R/W Channel Control Register - Ch 2
JA2
R/W Jitter Attenuator Control Register - Ch 2
CR42
CR43
CR44
EM2
EL2
EH2
R/W Error counter MSByte Ch 2
R/W Error counter LSbyte
R/W Error counter Holding register
CR49
CR50
CR51
CR52
CR53
CR54
CR55
CHANNEL 3 CONTROL REGISTERS
IER3 R/W Source Level Interrupt Enable Register - Ch 3
ISR3 RUR Source Level Interrupt Status Register - Ch 3
AS3
R/O Alarm Status Register - Ch 3
TC3
R/W Transmit Control Register - Ch 3
RC3
R/W Receive Control Register - Ch 3
CC3
R/W Channel Control Register - Ch 3
JA3
R/W Jitter Attenuator Control Register - Ch 3
CR58
CR59
EM3
EL3
R/W Error counter MSByte Ch 3
R/W Error counter LSbyte
51