UPD75238GJ

Manufacturer Part NumberUPD75238GJ
Description4 BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC [NEC]
UPD75238GJ datasheet
 
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APPENDIX A
PD75238 SERIES PRODUCT FUNCTION LIST
Product
PD75217
Item
ROM
24448
RAM
Instruction
0.95 s/1.91 s/
When main
cycle
system clock
15.3 s
(at 4.19 MHz)
is selected
When sub-
system clock
is selected
I/O lines
33
Total number
(including FIP
of I/O lines
dual-function
Number of
8
pins and
input lines
excluding
20: Eight lines
Number of I/O
FIP-exclusive
lines
for driving
pins)
LED
5
Number of
output lines
None
A/D converter
26: 40 V (max.)
FIP control-
High-voltage
ler/driver
output
9 to 16
Number of
segments
Number of
digits
Timer
Four channels
Serial interface
One channel:
3-wire system
10
Number of interrupt sources
Range of operating temperature
Operating power voltage
64-pin plastic
Package
shrink DIP
64-pin plastic
QFP
PD75236
PD75237
8
24448
8
16256
8
768
4
0.67 s/1.33 s/2.67 s/10.7 s (at 6.0 MHz)
0.95 s/1.91 s/
3.82 s/15.3 s
(at 4.19 MHz)
122 s (at 32.768 kHz)
64
16
24 : 12 lines for driving LED
24
8 : 8-bit resolution
34 : 40 V (max.)
9 to 24
9 to 16
Five channels
SBI/3-wire system
Two channels
3-wire system
11
-40 to +85 C
2.7 to 6.0 V
94-pin plastic QFP
PD75238
PD75238
PD75P238
32640
8
1024
4
-40 to +70 C
94-pin plastic
QFP
94-pin ceramic
LCC with a
window
185