Introduction
1-2
AT89STK-03 Hardware User Guide
7609B–SCR–11/06
Figure 1-1.
AT8xC5122 & AT83C5123 Evaluation Board
Regulator Output
Voltage selection
Power Supply
config
ALE Led
Reset Switch
ALE
EA
SPI
RS232
SIM
Alternate card
ALE
Crystal
INT1 Switch
Test Points
Fuse bypass
Fuse
USB
Regulator bypass
ISP Switch
E2PROM
location
Main Smart
Card
Power
Converter input
9V Battery Input
Lab. Power
Supply input
Power Switch