参数资料
型号: PEF80902
厂商: INFINEON TECHNOLOGIES AG
英文描述: 4B3T Second Gen. Modular ISDN NT(Ordinary)
中文描述: 4B3T二将军模块化综合业务数字网新台币(普通)
文件页数: 15/83页
文件大小: 1168K
代理商: PEF80902
PEF 80902
Overview
Data Sheet
7
2001-11-12
1.6
Pin Definitions and Functions
Table 2
Pin
Pin Definitions and Functions
Symbol
Type
Function
2
VDDa_UR
Supply voltage for U-Receiver
(3.3 V
±
5 %)
Analog ground (0 V) U-Receiver
Supply voltage for U-Transmitter
(3.3 V
±
5 %)
Analog ground (0 V) U-Transmitter
Supply voltage for S-Receiver
(3.3 V
±
5 %)
Analog ground (0 V) S-Receiver
Supply voltage for S-Transmitter
(3.3 V
±
5 %)
Analog ground (0 V) S-Transmitter
Supply voltage digital circuits
(3.3 V
±
5 %)
Ground (0 V) digital circuits
Supply voltage digital circuits
(3.3 V
±
5 %)
Ground (0 V) digital circuits
1
42
VSSa_UR
VDDa_UX
43
36
VSSa_UX
VDDa_SR
37
31
VSSa_SR
VDDa_SX
30
19
VSSa_SX
VDDD
20
8
VSSD
VDDD
9
VSSD
22
FSC
O
Frame Sync:
8-kHz frame synchronization signal
Data Clock:
IOM -2 interface clock signal (double clock):
512 kHz
Loopback 2 indication:
Can directly drive a LED (4mA).
0: Loopback 2 closed
1: Loopback 2 not closed.
Data Downstream:
Data on the IOM -2 interface
21
DCL
O
25
LP2I
O
23
DD
I/O
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