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38
CHAPTER 1 FEATURES OF 78K/IV SERIES PRODUCTS
1.5 Product Outline of
μ
PD784046 Subseries
(
μ
PD784044, 784054, 784046, 78F4046, 784044(A), 784044(A1), 784044(A2), 784046(A), 784046(A1),
784046(A2), 784054(A), 784054(A1), 784054(A2))
1.5.1 Features
Minimum instruction execution time:
125 ns (at internal 16-MHz operation)..........
μ
PD784044, 784046, 784054, 78F4046
160 ns (at internal 12.5-MHz operation).......
μ
PD784044(A), 784046(A), 784054(A)
200 ns (at internal 10-MHz operation)..........
μ
PD784044(A1), (A2), 784046(A1), (A2), 784054(A1), (A2)
On-chip memory
ROM
Mask ROM
: 64 Kbytes (
μ
PD784046, 784046(A), (A1), (A2))
: 32 Kbytes (
μ
PD784044, 784044(A), (A1), (A2), 784054, 784054(A), (A1), (A2))
Flash memory
: 64 Kbytes (
μ
PD78F4046)
RAM
: 2,048 bytes (
μ
PD784046, 784046(A), (A1), (A2), 78F4046)
1,024 bytes (
μ
PD784044, 784044(A), (A1), (A2), 784054, 784054(A), (A1), (A2))
I/O port: 65 (64 for only
μ
PD784054 and 784054(A), (A1), (A2))
Timer/counter: 16-bit timer/counter
×
2 units
16-bit timer
×
3 units
(only 16-bit timer
×
3 units for
μ
PD784054 and 784054(A), (A1), (A2))
Watchdog timer: 1 channel
A/D converter: 10-bit resolution
×
16 channels (V
DD
= 4.5 to 5.5 V)
Serial interface
UART/IOE (3-wire serial I/O): 2 channels (on-chip baud rate generator)
Interrupt controller (4-level priority)
Vectored interrupt/macro service/context switching
Standby function
HALT/STOP/IDLE mode (/standby invalid function mode …
μ
PD784054 and 784054(A), (A1), (A2) only)
Power supply voltage: V
DD
= 4.0 to 5.5 V
1.5.2 Applications
Standard: Water heaters, vending machines, office automation equipment such as PPCs or printers, and factory
automation equipment such as robots or automation machine tools
Special:
Automobile electrical systems, etc.