参数资料
型号: PM4314-RI
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: PLASTIC, QFP-128
文件页数: 72/170页
文件大小: 823K
代理商: PM4314-RI
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
60
Register 002H, 042H, 082H, and 0C2H: TX/RX Block Placement
Bit
Type
Function
Default
Bit 7
Unused
X
Bit 6
Unused
X
Bit 5
Unused
X
Bit 4
R/W
PRSMTX
0
Bit 3
R/W
PRSGTX
1
Bit 2
R/W
IBCDTX
0
Bit 1
R/W
XIBCTX
1
Bit 0
R/W
DJATTX
1
This register is used to configure the PRSM, PRSG, IBCD, XIBC, and DJAT
blocks to be on the transmit or the receive data paths.
PRSMTX:
The PRSMTX bit determines whether the PRSM block is placed on the
transmit or receive data paths. When PRSMTX is set to a logic 1, then the
PRSM block is moved to the transmit path and will be used to synchronize to
215-1 PRBS sequences on the TDD[X] input. When the PRSM block is in the
transmit path, the TDUAL bits (in registers 001H, 041H, 081H, and 0C1H)
and the TDUAL input pin must be set to logic 0 for proper operation. When
PRSMTX is set to a logic 0, then the PRSM block is moved to the receive
path and will be used to synchronize to 215-1 PRBS sequences from the
analog RXTIP[X] and RXRING[X] inputs.
PRSGTX:
The PRSGTX bit determines whether the PRSG block is placed on the
transmit or receive data paths. When PRSGTX is set to a logic 1, then the
PRSG block is moved to the transmit path and can be used to insert the
2
15
-1 PRBS sequence into the transmit data. When the TDUAL bit or the
TDUAL pin are logic 1, then the PRSG has no effect if placed in the transmit
path. When PRSGTX is set to a logic 0, then the PRSG block is moved to the
receive path and can be used to source an unframed 215-1 PRBS sequence
to the RDD[X] output.
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