pef82902 Infineon Technologies Corporation, pef82902 Datasheet - Page 25

• Manufacturer Part Number: pef82902
• Description: 4b3t Second Generation Modular Isdn Nt Intelligent Extended
• Manufacturer: Infineon Technologies Corporation

Table 2
1)
Data Sheet
This function of pin EAW is different to that defined in Ref. [13]
16, 19,
41, 55
56, 57,
58
Pin
48
60
59
64
61
3
4
49
17
42
50
Pin Definitions and Functions (cont’d)
Symbol
SR2
XIN
XOUT
AOUT
BOUT
AIN
BIN
VDDDET
ACT
TP1
TP2
res
Type
I
I
O
O
O
I
I
I
O
I
I
Function
S-Bus Receiver Input
Crystal 1:
Connected to a 15.36 MHz crystal
Crystal 2:
Connected to a 15.36 MHz crystal
Differential U-interface Output
Differential U-interface Output
Differential U-interface Input
Differential U-interface Input
VDD Detection:
This pin selects if the V
(’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
Test Pin 2.
Used for factory device test.
Tie to ’V
Tie to ‘1‘
Reserved
These pins are reserved for future use. Do not
connect.
11
SS
SS
’
’
DD
detection is active
PEF 81902
2001-11-12
Overview