SD188ES/SD188EM Demonstration Board User’s Manual
ix
1.1
Figure 0-1. SD188ES/SD188EM Demonstration Board Block Diagram
Address Bus
A/D Bus
Control
Am188ES or Am188EM
Microcontroller
CPU
Clock &
Reset
Circuitry
Power
& Ground
5.5-mm
Barrel
Connector
Am29F010-70
Flash Bank
(128 Kbyte)
SRAM Bank
(128 Kbyte)
Am188
Expansion
Interface
RS-232 Serial Port
Level Converter
Circuitry
DB-9
Connector
RS-232 Serial Port
Level Converter
Circuitry*
DB-9
Connector*
*Second asynchronous serial port implemented only
with Am188ES microcontroller
frtbook : about1 Page ix Monday, June 2, 1997 3:37 PM