參數(shù)資料
型號: T7121
廠商: Lineage Power
英文描述: HDLC Interface for ISDN (HIFI-64)(應(yīng)用于ISDN的HDLC(高階數(shù)據(jù)鏈路)接口)
中文描述: 為ISDN接口的HDLC(高保真- 64)(應(yīng)用于綜合業(yè)務(wù)數(shù)字網(wǎng)的的HDLC(高階數(shù)據(jù)鏈路)接口)
文件頁數(shù): 4/68頁
文件大?。?/td> 685K
代理商: T7121
4
Lucent Technologies Inc.
Data Sheet
April 1997
T7121 HDLC Interface for ISDN (HIFI-64)
Pin Information
5-5028
Figure 2. Pin Diagram
Table 1. Pin Assignments
Group
Symbol
CLK
V
DD
V
SS
RD
WR
CS
INT
RESET
AD7—AD0
ALE
A3—A0
Function
Chip Clock
Power & Ground
0 MHz—12 MHz
5 V Power
Ground
Read
Write
Chip Select
Interrupt
Reset
Address/Data Bus
Address Latch Enable
Address Bus (non-ALE addressing mode)
Transmit Data A
Transmit Data B
Time-slot Control DXA
Transmit Clock
Frame Synchronization
Receive Clock
Receive Data A
Receive Data B
Microprocessor Bus Interface
Serial Link Interface
DXA
DXB
TSCA
CLKX
FS
CLKR
DRA
DRB
ALE
AD0
AD1
AD2
AD3
V
SS
AD4
AD5
AD6
AD7
WR
RD
CS
INT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
DD
A0
A1
A2
A3
CLK
V
SS
CLKR/DRB
DRA
DXA
CLKX
DXB/TSCA
FS
RESET
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LUCENT
T7121
HIFI-64
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