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: 37/170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
25
Pin Name
Type
Pin
No.
Function
A[8]
A[7]
A[6]
A[5]
A[4]
A[3]
A[2]
A[1]
A[0]
Input
35
34
33
32
31
30
29
28
27
Address Bus (A[8:0]). This bus selects specific
registers during QDSX register accesses.
ALE
Input
8
Address Latch Enable (ALE). This signal latches
the address bus contents, A[8:0], when low,
allowing the QDSX to be interfaced to a
multiplexed address/data bus. When ALE is high,
the address latches are transparent. ALE has an
integral pull-up resistor.
INTB
Output
12
Active low Open-Drain Interrupt (INTB). This
signal goes low when an unmasked interrupt
event is detected on any of the internal interrupt
sources. Note that INTB will remain low until all
active unmasked interrupt sources are
acknowledged at their source.
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