JVC PC-X250 - Major IC Description

RAM: Data memory
ROM: Program memory
DP: Data pointer register
BNK: Bank register
APG: RAM page flags
AC: Accumulator
ALU: Arithmetic and logic unit
B: B register
OPG: ROM page flag
PC: Program counter
IR: Instruction register
STS1: Status register 1
STS2: Status register 2
STS3: Status register 3
STS4: Status register 4
STS5: Status register 5
PLA: Segment data and strobe programmable logic
array
WAIT.C:Waiting time counter
Description of major ICs
LC587008
PC-X250
1 - 11
System Block Diagram for the LC587008, LC587006 and LC587004