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: 17/83页
文件大小: 1168K
代理商: PEF80902
PEF 80902
Overview
Data Sheet
9
2001-11-12
PU: Internal pull-up resistor (typ. 100μA)
I: Input
O: Output (Push-Pull)
OD: Output (Open Drain)
1.6.1
Specific Pins and Test Modes
LED Pins ACT
,
LP2I
A LED can be connected to pin
ACT
to display four different states (off, slow flashing,
fast flashing, on). It displays the activation status of the U- and S-transceiver according
to
Table 3
.
44
41
3
4
AOUT
O
O
I
I
Differential U-interface Output
Differential U-interface Output
Differential U-interface Input
Differential U-interface Input
BOUT
AIN
BIN
34
VDDDET
I
VDD Detection:
This pin selects if the V
DD
detection is active
(
0
) and reset pulses are generated on pin
RSTO or whether it is deactivated (
1
) and an
external reset has to be applied on pin RST.
Activation LED
.
Indicates the activation status of U- and S-
transceiver. Can directly drive a LED (4mA).
Test Pin 1.
Used for factory device test.
Tie to
V
SS
Test Pin 2.
Used for factory device test.
Tie to
V
SS
Tie to
1
12
ACT
O
27
TP1
I
35
TP2
I
10,11,
16,17,
26,38
Table 2
Pin
Pin Definitions and Functions
(cont
d)
Symbol
Type
Function
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