XRT72L53 Datasheet, PDF (67/467 Pages) Exar Corporation – THREE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L53
REV. P1.1.7
THREE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
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PRELIMINARY
RUR - Reset-upon-Read Registers
Additionally, some of these registers consists of both
R/O and R/W bit-fields. These registers are denoted
in Table 5 as Combination of R/W and R/O.
The bit-format and definitions for each of these regis-
ters are presented in Section 3.3.2
TABLE 5: REGISTER ADDRESSING OF THE FRAMER PROGRAMMER REGISTERS
ADDRESS
REGISTER NAME
POWER UP DEFAULT VALUE REGISTER TYPE
0x00 Operating Mode register
b00100011
R/W
0x01 I/O Control Register
b10100000
R/W, R/O
0x02 Part Number Register
b00000001
R/O
0x03 Version Number Register
b00000011
R/O
0x04 Block Interrupt Enable Register
b00000000
R/W
0x05 Block Interrupt Status Register
b00000000
R/O
0x06-0x0B Reserved
0x0C Test Register
b00000000
R/W, R/O
0x0D-0x0F Reserved
0x10
RxDS3 Configuration & Status Register
RxE3 Configuration & Status Register 1 - G.832
RxE3 Configuration & Status Register 1 - G.751
b00010000
b00000010
b00000010
R/W, R/O
0x11
RxDS3 Status Register
RxE3 Configuration & Status Register 2 - G.832
RxE3 Configuration & Status Register 2 - G.751
b00000000
b01100111
b01100111
R/W, R/O
0x12
RxDS3 Interrupt Enable Register
RxE3 Interrupt Enable Registers -1 G.832
RxE3 Interrupt Enable Registers - 1 G.751
b00000000
b00000000
b00000000
R/W, R/O
0x13
RxDS3 Interrupt Status Register
RxE3 Interrupt Enable Register -2 G.832
RxE3 Interrupt Enable Register - 2 G.751
b00000000
b00000000
b00000000
R/W, R/O
0x14
RxDS3 Sync Detect Enable Register
RxE3 Interrupt Status Register 1 - G.832
RxE3 Interrupt Status Register 1 - G.751
b00011111
b00000000
b00000000
RUR, R/O
0x15
RxE3 Interrupt Status Register 2 - G.832
RxE3 Interrupt Status Register 2 - G.751
b00000000
b00000000
RUR, R/O
0x16 RxDS3 FEAC Register
b01111110
R/O
0x17 RxDS3 FEAC Interrupt Enable/Status Register
b00000000
R/O
0x18
RxDS3 LAPD Control Register
RxE3 LAPD Control Register
b00000000
R/W, RUR
0x19
RxDS3 LAPD Status Register
RxE3 LAPD Status Register
b00000000
R/O
b00000000
0x1A
RxE3 NR Byte Register - G.832
RxE3 Service Bit Register G.751
b00000000
R/O
b00000000
0x1B RxE3 GC Byte Register - G.832
b00000000
R/O
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