Microcomputer
8/16-Bit Single Chip Microcomputer
s
78K/II series (2/2)
Type number
Number of instructions
Minimum instruction
execution cycle
Data memory space
extension function
Internal
memory
Inter-
rupts
ROM size
RAM size
External sources
Internal sources
Inputs
Outputs
I/O
pins
Input/output ports
12
16K bytes
640 bytes
8
9
8
20
18
(can be
pulled up by
software. 8
can directly
drive LED)
36
(can be
pulled up by
software. 24
can directly
drive LED)
16K bytes
(PROM)
500 ns/
12 MHz
333 ns/12 MHz
500 ns/
12 MHz
µ
PD78220
µ
PD78224
µ
PD78P224
µ
PD78233
µ
PD78234
65
333 ns/
12 MHz
µ
PD78237
µ
PD78238
µ
PD78P238
500 ns/
12 MHz
333 ns/12 MHz
1M bytes
16K bytes
640 bytes
7
12
16
12
18
36
(can be
(can be pulled up by
pulled up by software. 24 can directly
software. 8
drive LED)
can directly
drive LED)
32K bytes
1024 bytes
32K bytes
(PROM)
35
25
(of these, 8 (of these, 8 can directly
can directly drive LED)
drive LED)
Analog inputs
Analog outputs
Timer/Counter
Variable threshold voltage
input port (16 steps): 8
8-bit
A/D converter 8 channels
8-bit D/A converter: 2 outputs
16-bit timer/counter
1
8-bit timer/counter
2
16-bit timer/counter
1
8-bit timer/counter
3
1 channel
1 channel
Serial interface
Features
UART (internal dedicated baud rate generator) ááá
Clock synchronized (can accommodate SBI) ááááá
• Real-time output port for stepping
motor control
• 94-pin QFP
• 84-pin QFJ
• Real-time output port for stepping motor control
• Two 12-bit PWM outputs
• 84-pin QFJ
• 80-pin QFP
• 94-pin QFP
Same as
left
• 94-pin
WQFN
Package
47
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