UPD78P014 datasheet(3/62 Pages) NEC

3 / 62 page

µPD78P014

OUTLINE OF FUNCTION

• PROM

: 32K bytesNote

• RAM

Internal high-speed RAM : 1024 bytesNote

Buffer RAM

: 32 bytes

64K bytes

8 bits

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

On-chip instruction execution time cycle modification function

0.4

µs/0.8 µs/1.6 µs/3.2 µs/6.4 µs (at 10.0 MHz operation)

122

µs (at 32.768 kHz operation)

• 16-bit operation

• Multiply/divide (8 bits

× 8 bits,16 bits ÷ 8 bits)

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

• BCD correction, etc.

Total

• CMOS input

• CMOS I/O

• N-channel open-drain I/O (15 V withstand voltage) :

• 8-bit resolution

× 8 channels

• Operable over a wide power supply voltage range: VDD = 2.7 to 6.0 V

• 3-wire/SBI/2-wire mode selectable

: 1 channel

• 3-wire mode (on-chip max. 32 bytes automatic data transmit/receive function) : 1 channel

• 16-bit timer/event counter : 1 channel

• 8-bit timer/event counter

: 2 channels

• Clock timer

: 1 channel

• Watchdog timer

: 1 channel

3 (14-bit PWM output : 1)

39.1 kHz, 78.1 kHz, 156 kHz, 313 kHz, 625 kHz, 1.25 MHz (at main system clock 10.0 MHz operation)

32.768 kHz (at subsystem clock 32.768 kHz operation)

2.4 kHz, 4.9 kHz, 9.8 kHz (at main system clock 10.0 MHz operation)

Internal : 8, External : 4

Internal : 1

External : 1

VDD = 2.7 to 6.0 V

–40 to +85

°C

• 64-pin plastic shrink DIP (750 mil)

• 64-pin plastic QFP (14

× 14 mm)

• 64-pin ceramic shrink DIP (with window) (750 mil)

Item

Function

Main system clock

selected

Subsystem clock

selected

Note The capacity of the internal PROM and internal high-speed RAM can be set by means of the memory size

switching register.

Maskable

interrupts

Non-maskable

interrupt

Software

interrupt

Internal memory

Memory space

General registers

Instruction cycle

Instruction set

I/O ports

A/D converter

Serial interface

Timer

Timer output

Clock output

Buzzer output

Vectored

interrupts

Test input

Operating voltage range

Operating temperature

range

Package

UPD78P014 데이터시트(PDF) 3 Page - NEC

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