TDA5255E1_07 Datasheet, PDF (11/91 Pages) Infineon Technologies AG – ASK/FSK 434MHz Wireless Transceiver

2.2
Pin Definitions and Functions
Table 2-1 Pin Definition and Function
Pin No. Symbol Equivalent I/O-Schematic
1
VCC
1
11
15
TDA5255 E1
Version 1.2
Functional Description
Function
Analog supply (antiparallel diodes
between VCC, VCC1, VDD)
2
BUSMODE
Bus mode selection (I²C/3 wire bus
mode selection)
350
2
3
LF
200
3
4
ASKFSK
Loop filter and VCO control voltage
ASK/FSK- mode switch input
350
4
Data Sheet
11
2007-02-26