Avision ScanCopier - Main Control Circuit

ScanCopier
5-3
5.2.2 MAIN CONTROL CIRCUIT
This ScanCopier is controlled by the 80C32. The 80C32 is configured with a 64-KB external
ROM program area, a 256-BYTE internal RAM work area, a 64-KB external RAM work area, 2
timer / counters, 4 I/O ports, 2 external interrupts, and 2 internal interrupts for 2 internal timer /
counters.
Address Maps:
• ROM program area:
• Internal RAM working area:
• External RAM working area:
64KB Program
0000
FFFF
256-byte
Internal Registers
00
FF
System Memory
32KB
ASIC Control
Register 8KB
1284 Controller
Image Processor
0000
7FFF
2000
2FFF
2800
28FF
2C00
0
2CFF