TDA 5221
preliminary
Functional Description
3.2 Pin Definition and Function
In the subsequent table the internal circuits connected to the pins of the device
are shown. ESD-protection circuits are omitted to ease reading.
.
Table 3-1 Pin Definition and Function
Pin No. Symbol
Equivalent I/O-Schematic
1
CRST1
Function
External Crystal Connector 1
4.15V
1
50uA
2
VCC
3
LNI
57uA
3
4k
1k
5V Supply
LNA Input
500uA
Wireless Components
3-3
Target Specification, October 2001