參數(shù)資料
型號: T7237A
英文描述: Compliance with the New ETSI PSD Requirement
中文描述: 符合新的ETSI PSD的要求
文件頁數(shù): 9/116頁
文件大?。?/td> 1056K
代理商: T7237A
Data Sheet
January 1998
T7256 Single-Chip NT1 (SCNT1) Transceiver
Lucent Technologies Inc.
5
Description
(continued)
5-2292 (C)
Figure 1. Block Diagram
Pin Information
Note: Pin labels shown in bold (pins 11, 12, and 15) represent chip configuration controls that are sampled on the rising edge of RESET (see
Table 1, Pin Descriptions).
5-2296 (C)
Figure 2. Pin Diagram
2-WIRE
2B1Q
U-INTERFACE
U
TRANS-
CEIVER
CRYSTAL
OSC.
15.360
MHz
S/T
TRANS-
CEIVER
4-WIRE
S/T-INTERFACE
μP INTERFACE
eoc
STATE
MACHINE
MULTI-
FRAMING
CONTROLLER
TDM BUS INTERFACE
ANSI
MAINTENANCE
DECODER
TDM BUS INTERFACE
μP INTERFACE &
REGISTERS
DATA FLOW MATRIX
CONTROL FLOW STATE
MACHINE
T7256
6
G
O
V
D
X
V
R
R
G
A
T
T
V
D
V
D
S
G
A
G
A
V
D
G
D
S
5
4
40
41
42
43
44
1
2
3
19 20
18
28
27
26
25
24
23
22
21
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
V
DDA
SDINP
SDINN
HP
LON
GND
A
V
DDA
LOP
HN
VRN
VRP
FTE/TDMDI
PS2E/TDMDO
PS1E/TDMCLK
GND
D
SYN8K_CTL
/SDI
V
DDD
SDO
AUTOACT
/SCK
GND
D
CKOUT
I
O
H
R
ACTMODE
/INT
X
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