UPD78323LP datasheet(6/86 Pages) NEC

6 / 86 page

µPD78323, 78324

GENERAL DESCRIPTION OF FUNCTIONS

• ROM : 32K bytes (

µPD78324)

None (

µPD78323)

• RAM : 1K bytes

64K bytes

8 bits

× 16 × 8 banks (memory mapping)

• Input port

: 16 (dual-function as analog input: 8)

• Input/output port : 39 (

µPD78324)

21 (

µPD78323)

• 18/16-bit free running timer

× 1

• 16-bit timer/event counter

× 1

• 16-bit compare register

× 6

• 18-bit capture register

× 4

• 18-bit capture/compare register

× 2

• Realtime output port

× 8

Serial interface with a dedicated baud rate generator

• UART

: 1 channel

• SBI (NEC Serial Bus Interface) : 1 channel

10-bit resolution (8 analog inputs)

• External : 8, internal : 14 (dual-function as external : 2)

• 3 processing modes

(vectored interrupt function, context switching function, and macro service function)

Internal : 1

STOP mode/HALT mode

16-bit transfer/operation instruction, multiplication/division instruction (16

× 16, 32 ÷ 16), bit manipu-

lation instruction, string instruction, etc.

On-chip watchdog timer

• 68-pin plastic QFJ (

950 mil)

• 74-pin plastic QFP (20

× 20 mm)

Basic instructions

Minimum instruction

execution time

Memory space

General registers

A/D converter

Interrupt

Test factor

Standby

Instruction set

Others

Package

250 ns (with 16 MHz external clock in operation)

Internal memory

I/O line

Real-time pulse unit

Serial communication

interface

111

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