ATAR892 Datasheet

IC型號(hào)：
ATAR892
PDF描述：
Low-current Microcontroller for Wireless Communication
文件大小：
977.25KB
PDF頁數(shù)：
100頁
芯片廠家：
ATMEL

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Features

鈥?/div>

4-Kbyte ROM, 256

脳

4-bit RAM

16 Bidirectional I/Os

Up to 7 External/Internal Interrupt Sources

Multifunction Timer/Counter with

鈥?IR Remote Control Carrier Generator

鈥?Bi-phase-, Manchester- and Pulse-width Modulator and Demodulator

鈥?Phase Control Function

Programmable System Clock with Prescaler and Five Different Clock Sources

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

Very Low Sleep Current (< 1 碌A(chǔ))

脳

16-bit EEPROM (ATAR892 only)

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

Watchdog, POR and Brown-out Function

Voltage Monitoring Inclusive Lo_BAT Detect

Flash Controller ATAM893 Available (SSO20)

鈥?/div>

Description

The ATAR092 and ATAR892 are members of Atmel鈥檚 family of 4-bit single-chip micro-

controllers. They offer highest integration for IR and RF data communication, remote-

control and phase-control applications. The ATAR092 and ATAR892 are suitable for

the transmitter side as well as the receiver side. They contain ROM, RAM, parallel I/O

ports, two 8-bit programmable multifunction timer/counters with modulator and

demodulator function, voltage supervisor, interval timer with watchdog function and a

sophisticated on-chip clock generation with external clock input, integrated RC-,

32-kHz crystal- and 4-MHz crystal-oscillators. The ATAR892 has an additional

EEPROM as a second chip in one package.

Figure 1.

Block Diagram

OSC1 OSC2

Low-current

Microcontroller

for Wireless

Communication

ATAR092

ATAR892

Brown-out protect.

RESET

Voltage monitor

External input

VMI

BP10

Port 1

BP13

BP20/NTE

Port 2

Crystal

oscillators oscillators

External

clock input

UTCM

Timer 1

interval- and

watchdog timer

Timer 2

T2I

T2O

Clock management

ROM

4 K x 8 bit

RAM

256 x 4 bit

8/12-bit timer

with modulator

SSI

MARC4

Data direction

Serial interface

Timer 3

8-bit

timer/counter

with modulator

and demodulator

T3O

T3I

BP21

BP22

BP23

4-bit CPU core

I/O bus

Data direction +

alternate function

Port 4

Data direction +

interrupt control

Port 5

Data direction +

alternate function

Port 6

BP40

BP42

INT3

T2O

BP43

BP41

INT3

VMI

T2I

BP50

INT6

BP52

INT1

BP53

INT1

BP60

T3O

BP63

T3I

BP51

INT6

Rev. 4535C鈥?BMCU鈥?2/04

制造商
Atmel
產(chǎn)品種類
RF Microcontrollers (MCU)
數(shù)據(jù)總線寬度
4 bit
封裝 / 箱體
SSO-20
安裝風(fēng)格
SMD/SMT
工廠包裝數(shù)量
4000

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