2.1
Block Diagram
AT89STK-03 Hardware User Guide
Figure 2-1. AT8xC5122 & AT83C5123 demonstration board components
RS232
POWER
Supply
Reset
EA
INT1
SCIB
Master Smart Card
Hardware Description
USB
SPI
AT8xC5122
EEPROM
LED
SIM
SIM Smart Card
Section 2
2-5
7609B–SCR–11/06
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