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HARDWARE
4513/4514 Group User’s Manual
BLOCK DIAGRAM (4513 Group)
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Voltage drop detection circuit
4
Serial I/O
(8 bits ✕ 1)
Voltage comparator
(2 circuits)
X
IN
–X
OUT
I/O port
Internal peripheral functions
Timer
System clock generating circuit
Watchdog timer
(16 bits)
Memory
ROM
2048, 4096,6144, 8192
words × 10 bits
RAM
128, 256, 384 words × 4 bits
4500 Series
CPU core
ALU (4 bits)
Register A (4 bits) Register B (4 bits)
Register D (3 bits) Register E (8 bits)
Stack register SK (8 levels)
Interrupt stack register SDP (1 level)
Timer 1 (8 bits)
Timer 2 (8 bits)
Timer 3 (8 bits)
Timer 4 (8 bits)
A-D converter
(10 bits ✕ 4 ch)
Port D
Port P3
Port P2
Port P1
Port P0
4
3
2
8
BLOCK DIAGRAM