UPD780023AGC-XXX-AB8 datasheet(8/96 Pages) NEC

Part #	UPD780023AGC-XXX-AB8

Description	8-BIT SINGLE-CHIP MICROCONTROLLERS

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Manufacturer	NEC [NEC]

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

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8

µPD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY

Data Sheet U14042EJ4V0DS

OVERVIEW OF FUNCTIONS (1/2)

Part Number

µPD780021A

µPD780022A

µPD780023A

µPD780024A

Item

µPD780021AY

µPD780022AY

µPD780023AY

µPD780024AY

Internal

ROM

8 KB

16 KB

24 KB

32 KB

memory

High-speed RAM

512 bytes

1024 bytes

Memory space

64 KB

General-purpose registers

8 bits

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

Minimum instruction execution

On-chip minimum instruction execution time cycle variable function

When main system

• Expanded-specification products of

µPD780021A, 780022A, 780023A, 780024A:

clock selected

0.166

µs/0.333 µs/0.666 µs/1.33 µs/2.66 µs (@12 MHz, VDD = 4.5 to 5.5 V operation)

•

µPD780021AY,780022AY,780023AY,780024AYandconventionalproductsofµPD780021A,

780022A, 780023A, 780024A:

0.238

µs/0.48 µs/0.95 µs/1.91 µs/3.81 µs (@8.38 MHz, VDD = 4.0 to 5.5 V operation)

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 withstanding voltage): 4

A/D converter

• 8-bit resolution

× 8 channels

• Low-voltage operation available: AVDD = 1.8 to 5.5 V

Serial interface

•

µPD780021A, 780022A, 780023A, 780024A

UART mode:

1 channel

3-wire serial I/O mode: 2 channels

•

µPD780021AY, 780022AY, 780023AY, 780024AY

UART mode:

1 channel

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)

time

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UPD780023AGC-XXX-AB8 Datasheet(PDF) 8 Page - NEC

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