Datasheet > ATAM894X-TNS

ATAM894X-TNS

更新时间： 2024-02-20 21:23:14

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器光电二极管
页数	文件大小	规格书
95页	1231K
描述
Microcontroller, 4-Bit, FLASH, 4MHz, CMOS, PDSO24, SSOP-24

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数据手册

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ATAM894X-TNS 数据手册

Features

• 8 K × 8-bit EEPROM

• EEPROM Programmable Options

• Read Protection for the EEPROM Program Memory

• 256 × 4-bit RAM

• 2 × 32 × 16-bit Data EEPROM

• Up to Seven External/Internal Interrupt Sources

• Eight Hardware and Software Interrupt Priorities

• 16 Bi-directional I/Os

• Wide Supply-voltage Range (1.8 V to 6.5 V)

• Very Low Sleep Current (< 1 µA)

• Synchronous Serial Interface (2-wire, 3-wire)

• Multifunction Timer/Counter with Prescaler/Interval Timer

• Voltage Monitoring Inclusive Lo_BAT Detect

• Watchdog, POR and Brown-out Function

8K-flash

Microcontroller

ATAM894

Description

The ATAM894 is a member of the Atmel’s family of 4-bit single chip microcontrollers

with 8 K × 8-bit EEPROM program memory. It is based on the 4-K MTP version

ATAM893 and fully compatible with this MTP and the ROM versions ATAR090/890 and

ATAR092/892.

Figure 1. Block Diagram

V_SSV_DD

OSC1 OSC2

Brown-out protect.

RESET

Crystal

oscillators

UTCM

External

clock input

oscillators

Timer 1

interval- and

Voltage monitor

External input

Clock management

watchdog timer

T2I

Timer 2

with prescaler

VMI

T2O

BP10

BP13

EEPROM

RAM

Port 1

Modulator 2

8 K x 8 bit

256 x 4 bit

SSI

MARC4

Serial interface

BP20/NTE

BP21

4-bit CPU core

Modulator 3

Demodulator

T3O

T3I

BP22

Timer 3

timer/counter

I/O bus

BP23

Data direction +

alternate function

Data direction +

interrupt control

Data dir. +

alt. function

EEPROM

2 x 32 x 16 bit

Port 6

Port 4

Port 5

BP40

BP42

T2O

BP52

BP50

BP63

T3I

BP60

T3O

INT3

INT6

INT1

BP43

INT3

BP51

INT6

BP53

INT1

BP41

VMI

T2I

Rev. 4679C–4BMCU–03/04

12 3 4 5 6 7...95

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