Olympus OEP-3 Service Manual page 133

4-3. Operation Description of Print Control Block Circuit (PRT-13 Board)
Outline
The PRT-13 board consists of a mechanical control block and head control block.
4-3-1. CPU Flowchart
START
Initialize
MAIN:
Mechanical status flag
Command flag
4-3-2. CPU Memory Map
The memory map of CPU is shown below.
00000
20000
40000
60000
80000
A0000
C0000
E0000
FFF10
FFF1C
FFFFF
OEP-3 V1 (UC)
Status processing
Command execution
Start ROM
Flash ROM
PQC IC
γ RAM
EX I/O
(PDSP)
Line number correction ROM
Color balance PLD
External address
Internal I/O register
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