NEC PD78214 - Manual (Page 452)

423
Appendix A 78K/II Series Product List
A
(1/3)
µPD78234 Sub-Series µPD78244 Sub-Series
µPD78233 µPD78243
µPD78238
( µPD78P238)
µPD78237
500 ns 333 ns 333 ns 500 ns 333 ns 500 ns
65 (instructions common to all 78K/II series products)
8 bits Ч 8 Ч 4 banks
32K
(32/16K Note )
None
None 16K 16K None None
1024K
(1024/640K Note )
640 512 1024
Program memory space: 64K bytes/Data memory space: 1M byte
P6 and PM6
16 14
12
18 36 28 10 18 36
46 64 54 36 46 64
24 42 24 42
8
8 24 8 24
8-bit output port
8-bit I/O port —
8-bit input port
8-bit I/O port
8-bit I/O port — 8-bit I/O port — 8-bit I/O port —
8-bit I/O port — 8-bit I/O port — 8-bit I/O port —
4-bit output port
+
4-bit I/O port
4-bit output port
+
2-bit I/O port
4-bit output port
+
4-bit I/O port
4-bit output port
+
2-bit I/O port
4-bit output port
+
4-bit I/O port
8-bit input port 6-bit input port
4-bit output port
+
2-bit I/O port
µPD78234 µPD78244
–40 to +85˚C, V
DD
= +5 V ±10%
–10 to +70˚C,
V
DD
= +5 V ±10%
512
34 16
16 0
When the stack area is configured in the internal dual-port RAM: 6
Other cases: 8
Note Set by software.