NEC PD78212, Руководство пользователя

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422
µ
PD78214 Sub-Series
Series name
µ
PD78214 Sub-Series
µ
PD78218A Sub-Series
µ
PD78224 Sub-Series
µ
PD78214
(
µ
PD78P214)
Number of basic instructions
Minimum instruction execution time
µ
PD78213
µ
PD78212
µ
PD78224
(
µ
PD78P224)
µ
PD78220
µ
PD78218A
(
µ
PD78P218A)
µ
PD78217A
Product name
Item
333 ns 500 ns 333 ns 333 ns 500 ns 333 ns 500 ns
65 (instructions common to all 78K/II series products)
When the stack area is configured in
the internal dual-port RAM: 5 or 7
Other cases: 7 or 9
PUSH PSW instruction
execution time (number of
clocks)
When the stack area is
configured in the internal
dual-port RAM: 6
Other cases: 8
–40 to +85˚C,
V
DD
= +5 V
±
5%
–10 to +70˚C,
V
DD
= +5 V
±
10%
8 bits
×
8
×
4 banks General-purpose registers
Bank registers
ROM
(bytes)
None
EEPROM
RAM
(bytes)
8K None 16K 16K None None
512 640
Memory space Program memory space: 64K bytes, Data memory space: 1M byte
I/O pins Input
Output
I/O
Total
With a pull-up
resistor
LED direct drive
output
Transister direct
drive output
P0
P1
P2
P3
P4
P5
P6
P7
P6 and PM6 P6 only
14
8
12 12 20
28 10 28 35 25 10 28
54 36 54 63 45 36 54
34
16 34 None 16
34
8 None
16
0 16 8 0
16
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 output port
— 8-bit I/O port — 8-bit I/O port —
4-bit output port
+
4-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
6-bit input port 7-bit I/O port
4-bit output port
+
2-bit I/O port
Operating temperature and
voltage ranges Other than
µ
PD78P2148A : –40 to +85˚C, V
DD
= +5 V
±
10%
µ
PD78P2148A : –40 to +85˚C, V
DD
= +5 V
±
0.3 V
32K
384 1024
When the stack area is
configured in the internal
dual-port RAM: 5 or 7
Other cases: 7 or 9
Ancillary function pins
Note
Internal memory
Note The ancillary function pins are included in the I/O pins.