UPD178002 datasheet(40/48 Pages) NEC

Part #	UPD178002

Description	8-BIT SINGLE-CHIP MICROCONTROLLERS

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Manufacturer	NEC [NEC]

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

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40

µPD178002, 178003

Data Sheet U12628EJ3V0DS00

APPENDIX A. DIFFERENCES AMONG

µPD178003 AND µPD178018A SUBSERIES

Product Name

µPD178003 Subseries

µPD178018A Subseries

Items

µPD178003

µPD178006A

µPD178018A

µPD178P018A

ROM

24 Kbytes

48 Kbytes

60 Kbytes

(Mask ROM)

(One-time PROM)

RAM

High-speed RAM

512 bytes

1024 byte

Buffer RAM

Not provided

32 bytes

Expanded RAM

Not provided

2048 bytes

Timer

3 channels

5 channels

• Basic timer:

1 channel

• 8-bit timer/event counter: 2 channels

• 8-bit timer/event

• 8-bit timer:

1 channel

counter: 2 channels

• Watchdog timer:

1 channel

Serial interface

1 channel

2 channels

• 3-wire mode:

• 3-wire/SBI/2-wire/I2C bus mode selectable: 1 channel

1 channel

• 3-wire serial I/O mode (automatic data transmit/receive function

for up to 32 bytes provided on chip): 1 channel

A/D converter

3 channels

6 channels

D/A converter (PWM output)

Not provided

Provided

EO1 pin output circuit

Buffer type

(high impedance function not supported)

(high impedance function supported)

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UPD178002 Datasheet(PDF) 40 Page - NEC

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