M3826AE2FP datasheet, PDF - EEWORLD Datasheet

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M3826AE2FP: DescriptionSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER; File Size939KB，91 Pages; ManufacturerRenesas Electronics Corporation; Websitehttps://www.renesas.com/

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M3826AE2FP Overview

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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3826 Group (One Time PROM version)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

REJ03B0181-0100

Rev.1.00

Sep 06, 2006

DESCRIPTION

The 3826 group is the 8-bit microcomputer based on the 740 fam-

ily core technology.

The 3826 group has the LCD drive control circuit, an 8-channel A/

D converter, D/A converter, serial interface and PWM as additional

functions.

The various microcomputers in the 3826 group (One Time PROM

version) include variations of internal memory size and packaging.

This datasheet describes only the One Time PROM version (ROM

60 K version) of 3826 Group.

•

Serial interface

•

Serial I/O1 ...................... 8-bit

1 (UART or Clock-synchronous)

Serial I/O2 .................................... 8-bit

1 (Clock-synchronous)

PWM output .................................................................... 8-bit

A/D converter ............. 10-bit

8 channels or 8-bit

8 channels

D/A converter .................................................. 8-bit

2 channels

(used as DTMF and CTCSS function)

LCD drive control circuit

Bias ......................................................................... 1/2, 1/3

Duty .................................................................. 1/2, 1/3, 1/4

Common output ................................................................ 4

Segment output .............................................................. 40

2 Clock generating circuits

(connect to external ceramic resonator or quartz-crystal oscillator)

Watchdog timer ............................................................. 14-bit

Power source voltage

In high-speed mode (f(X

) = 8 MHz) ..................... 4.0 V to 5.5 V

In middle-speed mode (f(X

) = 8 MHz) ................. 2.5 V to 5.5 V

In low-speed mode .................................................. 2.5 V to 5.5 V

Power dissipation

In high-speed mode ................................................... Typ. 32 mW

(f(X

) = 8 MHz, V

= 5 V, Ta = 25 °C)

In low-speed mode ...................................................... Typ. 45

µW

(f(X

) = stop, f(X

CIN

) = 32 kHz, V

= 3 V, Ta = 25 °C)

Operating temperature range ................................... – 20 to 85°C

FEATURES

•

Basic machine-language instructions ....................................... 71

•

The minimum instruction execution time ............................ 0.5

µs

(at 8MHz oscillation frequency)

•

Memory size

•

ROM ............................................................................. 60 K bytes

RAM ............................................................................ 2560 bytes

Programmable input/output ports ............................................. 55

Software pull-up resistors .................................................... Built-in

Output ports ................................................................................. 8

Input ports .................................................................................... 1

Interrupts .................................................. 17 sources, 16 vectors

External ................ 7 sources (includes key input interrupt)

Internal ................................................................ 9 sources

Software ................................................................ 1 source

Timers ............................................................ 8-bit

3, 16-bit

•

APPLICATIONS

Camera, cordless phone, wireless application, household appli-

ances, etc.

Rev.1.00 Sep 06, 2006

REJ03B0181-0100

page 1 of 88

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