Microcomputer
4-Bit Single Chip Microcomputer
FIP Driver Series
s
µ
PD7523X series
Type number
ROM (bytes)
RAM (∞ 4 bits)
General registers
Instruction cycle
µ
PD75236
16256
768
Selectable from 0.95
µ
s/1.91
µ
s/3.81
µ
s/15.3
µ
s
(at main clock 4.19 MHz) and 122
µ
s
(at subclock 32 kHz)
16 (also serve as INT, SIO, A/D
inputs)
16
64
µ
PD75237/238
24448/32640
1024
(4-bit
∞
8)
∞
4 banks or (8-bit
∞
4)
∞
4 banks
µ
PD75P238
32640 (PROM)
1024
Selectable from 0.67
µ
s/1.33
µ
s/2.67
µ
s/10.7
µ
s
(at main clock 6 MHz)
122
µ
s (at subclock 32 kHz)
CMOS
inputs
Input/
output
ports
CMOS
inputs/outputs
N-ch inputs/
outputs
P-ch
outputs
FIP controller
A/D converter
19 can be pulled up by software
4 can be pulled down by mask
option
Same as left
(however, no mask option)
8 (withstand voltage 10 V, can be pulled up by mask option)
24 (also serve as segment pins, can be pulled down by mask option)
9 to 24 segments, 9 to 16 digits (can be pulled down by mask option except
µ
PD75P238)
8-bit resolution x 8 channels
5 channels •
•
•
•
•
Timer/event counter
Event counter
Basic interval timer
Watch timer
Timer/pulse generator (can output 14-bit PWM)
Timer/Counters
Serial interface
Interrupts
Instruction set
Supply voltage
Package
2 channels • NEC standard serial bus interface/3-line serial interface
• 3-line serial interface
• Vector interrupts: 8 (external: 3, internal: 5)
• Test inputs: 3 (external: 1, internal: 2)
• Bit data set/reset/test/boolean operation instructions
• 4/8-bit data transfer/operation/increment/decrement/compare instructions
2.7 to 6.0 V
• 94-pin plastic QFP
• 94-pin plastic QFP
• 94-pin ceramic WQFN
14