tda5255e1 Infineon Technologies Corporation, tda5255e1 Datasheet - Page 11

• Manufacturer Part Number: tda5255e1
• Description: Ask/fsk 434mhz Wireless Transceiver
• Manufacturer: Infineon Technologies Corporation

Confidential
2.2
Table 2-1
Pin No. Symbol
Preliminary Specification
1
2
3
4
VCC
BUSMODE
LF
ASKFSK
Pin Definitions and Functions
Pin Definition and Function
Equivalent I/O-Schematic
3
4
2
1
200
350
350
11
15
11
Function
Analog supply (antiparallel diodes
between VCC, VCC1, VDD)
Bus mode selection (I²C/3 wire bus
mode selection)
Loop filter and VCO control voltage
ASK/FSK- mode switch input
Functional Description
TDA5255 E1
Version 1.1
2002-11-28