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: 33/170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
21
Pin Name
Type
Pin
No.
Function
RC[4]
RC[3]
RC[2]
RC[1]
I/O
61
42
106
125
Receive Peak Hold R-C Network (RC[4:1]). The
RC[4:1] analog bidirectional pins must be
connected to an external parallel
resistor/capacitor network to RAVS[4:1]. This
network is necessary to the operation of the
internal peak detector that tracks the incoming
signal level.
RDD[4]
RDD[3]
RDD[2]
RDD[1]
Output
89
92
97
100
Receive Digital Data (RDD[4:1]). When
configured for unipolar outputs, the RDD[4:1]
NRZ outputs contain the sampled DS-1 or E1
data which has been decoded by AMI, B8ZS, or
HDB3 line code rules. RDD[4:1] outputs can be
updated on either the falling or rising RCLKO[4:1]
edge.
Receive Digital Positive Pulse (RDP[4:1]). When
configured for bipolar outputs, the RDP[4:1] NRZ
outputs contain sampled bipolar positive pulses.
RDP[4:1] outputs can be updated on either the
falling or rising RCLKO[4:1] edge.
RDP[4]
RDP[3]
RDP[2]
RDP[1]
SDP[4]
SDP[3]
SDP[2]
SDP[1]
Output
Output
Sliced Positive Line Pulse (SDP[4:1]). A positive
pulse on the SDP[4:1] outputs corresponds to the
sampled positive pulse excursion on the
RXTIP[4:1] input.
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