TDA5250D2 Datasheet, PDF (15/97 Pages) Infineon Technologies AG – ASK/FSK 868MHz Wireless Transceiver

confidential
17
BUSCLK
18
VSS
19
XOUT
20
XSWF
21
XIN
22
XSWA
23
XGND
24
EN
25
RESET
TDA 5250 D2
preliminary
Functional Description
350
17
see Pin 8
Vcc 4k
Vcc-860mV
19
150µA
21
125fF ..... 4pF
20
250fF ..... 8pF
23
see Pin 20
22
20
23
see Pin 22
350
24
110k
350
25
10p
Bus clock input
Ground for digital section
Crystal oscillator output, can also
be used as external reference fre-
quency input.
FSK modulation switch
ASK modulation/FSK center fre-
quency switch
Crystal oscillator ground return
3-wire bus enable input
Reset of the entire system (to
default values), active low
Wireless Components
3-5
Specification, July 2002