參數(shù)資料
型號(hào)： ATAR892
廠商： Atmel Corp.
英文描述： Low-current Microcontroller for Wireless Communication
中文描述： 低電流的無(wú)線通信控制器
文件頁(yè)數(shù)： 1/100頁(yè)
文件大?。?/td> 989K
代理商： ATAR892
Rev. 4535C–4BMCU–02/04
Features
4-Kbyte ROM, 256
×
4-bit RAM
16 Bidirectional I/Os
Up to 7 External/Internal Interrupt Sources
Multifunction Timer/Counter with
– IR Remote Control Carrier Generator
– Bi-phase-, Manchester- and Pulse-width Modulator and Demodulator
– 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 μA)
32
×
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)
Description
The ATAR092 and ATAR892 are members of Atmel’s 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
V
DD
T2I
SD
Voltage monitor
External input
MARC4
UTCM
Timer 1
OSC1
OSC2
I/O bus
ROM
4 K x 8 bit
RAM
256 x 4 bit
4-bit CPU core
V
SS
Data direction +
alternate function
Data direction +
interrupt control
Port 4
Port 5
Data direction +
alternate function
Port 6
Timer 3
8-bit
timer/counter
with modulator
and demodulator
Brown-out protect.
RESET
Clock management
watchdog timer
Timer 2
Serial interface
Port 1
P
D
T2O
SD
SC
T3O
T3I
BP10
BP13
BP20/NTE
BP21
BP22
BP23
BP40
INT3
SCBP41
VMI
BP42
T2O
BP43
INT3
BP50
INT6
BP51
INT6
BP52
INT1
BP53
INT1
BP60
T3O
BP63
T3I
RC
oscillators
Crystal
oscillators
VMI
with modulator
SSI
External
clock input
interval- and
8/12-bit timer
T2I
Low-current
Microcontroller
for Wireless
Communication
ATAR092
ATAR892
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