参数资料
型号: PM4314
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: 14 X 20 MM, PLASTIC, QFP-128
文件页数: 116/170页
文件大小: 823K
代理商: PM4314
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
104
Register 02EH, 06EH, 0AEH, 0EEH: XPLS CODE Indirect Address
Bit
Type
Function
Default
Bit 7
Unused
X
Bit 6
Unused
X
Bit 5
Unused
X
Bit 4
Unused
X
Bit 3
Unused
X
Bit 2
R/W
CRA2
0
Bit 1
R/W
CRA1
0
Bit 0
R/W
CRA0
0
This register allows software to select any one of the eight internal waveform
CODE registers, addressed by the CRA[2:0] bits, for subsequent access through
the CODE Indirect Data register. When accessing the internal CODE registers,
the address of the desired register must first be written to this register. Then, by
reading or writing the Indirect Data register (registers 2FH, 06FH, 0AFH, 0EFH),
the microprocessor can either read from or write to the internal register identified
by the CRA[2:0] bits.
The CRA[2:0] bits address the internal registers as follows:
CRA2
CRA1
CRA0
Internal Code Register
0
0
0
CODE register #0 - first code applied
0
0
1
CODE register #1
0
1
0
CODE register #2
0
1
1
CODE register #3
1
0
0
CODE register #4
1
0
1
CODE register #5
1
1
0
CODE register #6
1
1
1
CODE register #7 - last code applied
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