UPD78014 datasheet(7/58 Pages) RENESAS

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µPD78P083

FUNCTION DESCRIPTION

Item

Function

Internal memory

• PROM: 24 Kbytes Note

• RAM

Internal high-speed RAM: 512 bytes Note

Memory space

64 Kbytes

General register

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

Instruction cycles

Instruction execution time variable function is integrated.

0.4

µs/0.8 µs/1.6 µs/3.2 µs/6.4 µs/12.8 µs (@5.0-MHz operation with main system clock)

Instruction set

• 16-bit operation

• Multiply/divide (8 bits x 8 bits, 16 bits

÷ 8 bits)

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

• BCD adjust, etc.

I/O ports

Total

: 33

• CMOS input

: 1

• CMOS input/output

: 32

A/D converter

• 8-bit resolution x 8 channels

Serial interface

• 3-wire serial I/O/UART mode selectable: 1 channel

Timer

• 8-bit timer/event counter: 2 channels

• Watchdog timer: 1 channel

Timer output

2 pins (8-bit PWM output enable)

Clock output

19.5 kHz, 39.1 kHz, 78.1 kHz, 156 kHz, 313 kHz, 625 kHz, 1.25 MHz, 2.5 MHz, and

5.0 MHz (@ 5.0-MHz operation with main system clock)

Buzzer output

1.2 kHz, 2.4 kHz, 4.9 kHz, and 9.8 kHz

(@ 5.0-MHz operation with main system clock)

Vectored

Maskable interrupts

Internal

external

interrupts

Non-maskable interrupt

Internal

Software interrupt

Internal

Power supply voltage

VDD = 1.8 to 5.5 V

Operating ambient temperature

TA = –40 to +85

°C

Packages

• 42-pin plastic shrink DIP (600 mil)

• 44-pin plastic QFP (10 x 10 mm)

• 42-pin ceramic shrink DIP (with window) (600 mil)

Note

Internal PROM and high-speed RAM capacities can be changed by setting the internal memory size switching

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