UPD780232 查看數據表（PDF） - NEC => Renesas Technology

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UPD780232

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD780232

FUNCTION OVERVIEW

Item

Function

Internal memory ROM

16 KB

High-speed RAM 768 bytes

Buffer RAM

32 bytes

VFD display RAM 112 bytes

General-purpose register

8 bits × 32 registers (8 bits × 8 registers × 4 banks)

Minimum instruction execution time

• On-chip minimum instruction execution time variable function

• 0.4 µs/0.8 µs/1.6 µs/3.2 µs/6.4 µs (@ 5.0 MHz operation with system clock)

Instruction set

• Multiply/divide (8 bits × 8 bits, 16 bits ÷ 8 bits)

• Bit manipulation (set, reset, test, Boolean operation)

I/O ports

Total:

40

(including alternate-function pins for VFD) • CMOS I/Os:

11

• P-ch open-drain I/Os: 13

• P-ch open-drain outputs: 16

VFD controller/driver

Total of display outputs: 53

• 15 mA display current: 20

• 5 mA display current: 33

A/D converter

• 8-bit resolution × 4 channels

• Power supply voltage: AVDD = 4.5 to 5.5 V

Serial interface

• 3-wire serial mode (automatic transmit/receive function): 1 channel

• 2-wire serial mode (transmit only):

1 channel

Timer

• 8-bit remote control timer: 1 channel

• 8-bit timer:

2 channels

• Watchdog timer:

1 channel

Vectored interrupt Maskable

sources

Non-maskable

Internal: 10, external: 2

Internal: 1

Software

1

Power supply voltage

VDD = 4.5 to 5.5 V

Package

80-pin plastic QFP (14 × 14)

4

Data Sheet U13415EJ2V0DS

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