µPD75236
APPENDIX A. LIST OF µPD75238 SERIES PRODUCT FUNCTIONS
Item
ROM
RAM
Product Name
µPD75217
µPD75236
24448 × 8
16256 × 8
768 × 4
µPD75237
24448 × 8
µPD75238
µPD75P238
32640 × 8
1024 × 4
Instruction cycle
Main system
clock selected
0.95 µs/1.91 µs/
15.3 µs
(Operation at
4.19 MHz)
0.95 µs/1.91 µs/
3.82 µs/15.3 µs
(Operation at
4.19 MHz)
0.67 µs/1.33 µs/2.67 µs/10.7 µs
(Operation at 6.0 MHz)
Subsystem clock
selected
I/O line
FIP dual-function
pin included and
FIP dedicated pin
excluded
Total
Input
Input/output
Ouptut
33
8
20: 8 for LED drive
5
122 µs (Operation at 32.768 kHz)
64
16
24: 12 for LED drive
24
A/D converter
None
8: 8-bit resolution
FIP controller/
driver
High-voltage output 26: 40 V max.
No. of segments 9 to 16 segments
No. of digits
34: 40 V max.
9 to 24 segments
9 to 16 digits
Timer
Serial interface
Interrupt source
5 Operating temperature range
Operating voltage
4 channels
1 channel,
3-wire
10
5 channels
2 channels SBI/3-wire
3-wire
11
–40 to +85°C
2.7 to 6.0 V
–40 to 70°C
Package
64-pin plastic
shrink DIP
64-pin plastic
QFP
94-pin plastic QFP
94-pin plastic
QFP
94-pin ceramic
LCC with
window
186