UPD178P018A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD178P018A

8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD178P018A

FUNCTION DESCRIPTION

Item

Internal memory

General register

Instruction cycle

Instruction set

I/O port

A/D converter

Serial interface

Timer

Buzzer (BEEP) output

Vectored

interrupt

source

Maskable

Non-maskable

Software

Test input

(1/2)

Function

• PROM

: 60 Kbytes

• RAM

High-speed RAM : 1 024 bytes

Expansion RAM : 2 048 bytes

Buffer RAM

: 32 bytes

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

With variable instruction execution time function

0.44 µs/0.88 µs/1.78 µs/3.56 µs/7.11 µs/14.22 µs (with 4.5-MHz crystal resonator)

• 16-bit operation

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

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

• BCD Adjust, etc.

Total

: 62 pins

• CMOS input

: 1 pin

• CMOS I/O

: 54 pins

• N-ch open-drain I/O : 4 pins

• N-ch open-drain output : 3 pins

8-bit resolution × 6 channels

• 3-wire/SBI/2-wire/I2C bus Note mode selectable

: 1 channel

• 3-wire serial I/O mode

(with automatic transmit/receive function of up to 32 bytes) : 1 channel

• Basic timer (timer carry FF (10 Hz)) : 1 channel

• 8-bit timer/event counter

: 2 channels

• 8-bit timer (D/A converter: PWM output) : 1 channel

• Watchdog timer

: 1 channel

1.5 kHz, 3 kHz, 6 kHz

Internal: 8, external: 7

Internal: 1

Internal: 1

Internal: 1

Note When using the I2C bus mode (including when this mode is implemented by program without using the

peripheral hardware), consult your local NEC sales representative when you place an order for mask.

3

Share Link: