Block Diagram - Sharp SF-1014 Service Manual

3

Block diagram

Data buffer D BH (8)
Data buffer D BL (8)
Command cue buffer Q0 (8)
Command cue buffer Q1 (8)
Command cue buffer Q2 (8)
Incrementor (24)
Program address register PA (24)
Data address register DA (24)
Incrementor/decrementor (24)
Program counter PC (16)
Program bank register PG (8)
Data bank register DT (8)
Input buffer register IB (16)
Processor status register PS (11)
Direct page register DPR (16)
Stack pointer S (16)
Index register Y (16)
Index register X (16)
Accumulator B (16)
Accumulator A (16)
Arithmetic logic unit (16)
12 – 3
Data bus (Even)
Data bus (Odd)
Address bus