UPD78F0034AGB-8EU datasheet(5/66 Pages) NEC

Part #	UPD78F0034AGB-8EU

Description	8-BIT SINGLE-CHIP MICROCONTROLLER

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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µPD78F0034A, 78F0034AY

5

Data Sheet U14040EJ4V0DS

OVERVIEW OF FUNCTIONS

Part Number

µPD78F0034A

µPD78F0034AY

Item

Internal

Flash memory

32 KBNote

memory

High-speed RAM

1,024 bytesNote

Memory space

64 KB

General-purpose registers

8 bits

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

Minimum instruction execution time

On-chip minimum instruction execution time cycle variable function

When main system

0.24

µs/0.48 µs/0.95 µs/1.91 µs/3.81 µs (@ 8.38 MHz operation)

clock selected

When subsystem

122

µs (@ 32.768 kHz operation)

clock selected

Instruction set

• 16-bit operation

• Multiply/divide (8 bits

× 8 bits, 16 bits ÷ 8 bits)

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

• BCD adjust, etc.

I/O ports

Total:

51

• CMOS input:

8

• CMOS I/O:

39

• N-ch open-drain I/O (5 V withstand voltage): 4

A/D converter

• 10-bit resolution

× 8 channels

• Operable over a wide power supply voltage range: AVDD = 1.8 to 5.5 V

Serial interface

• UART mode:

1 channel

• UART mode:

1 channel

• 3-wire serial I/O mode: 2 channels

• 3-wire serial I/O mode:

1 channel

• I2C bus mode

(multimaster supporting): 1 channel

Timers

• 16-bit timer/event counter: 1 channel

• 8-bit timer/event counter:

2 channels

• Watch timer:

1 channel

• Watchdog timer:

1 channel

Timer outputs

3 (8-bit PWM output capable: 2)

Clock output

• 65.5 kHz, 131 kHz, 262 kHz, 524 kHz, 1.05 MHz, 2.10 MHz, 4.19 MHz, 8.38 MHz

(@ 8.38 MHz operation with main system clock)

• 32.768 kHz (@ 32.768 kHz operation with subsystem clock)

Buzzer output

1.02 kHz, 2.05 kHz, 4.10 kHz, 8.19 kHz (@ 8.38 MHz operation with main system clock)

Vectored interrupt

Maskable

Internal: 13, external: 5

sources

Non-maskable

Internal: 1

Software

1

Test inputs

Internal: 1, external: 1

Supply voltage

VDD = 1.8 to 5.5 V

Operating ambient temperature

TA = –40 to +85

°C

Package

• 64-pin plastic SDIP (19.05 mm (750))

• 64-pin plastic LQFP (10

× 10)

• 64-pin plastic LQFP (14

× 14)

• 64-pin plastic QFP (14

× 14)

• 64-pin plastic TQFP (12

× 12)

Note

The capacities of the flash memory and the internal high-speed RAM can be changed with the memory size

switching register (IMS).

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