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ATAR092-C Datasheet

  • ATAR092-C

  • ATAR092-C/ ATAR892-C [Updated 3/03. 95 Pages] Low-current mi...

  • 1313.12KB

  • 96頁

  • ETC

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Features
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4-Kbyte ROM, 256
4-bit RAM
16 Bi-directional 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))
32
16-bit EEPROM (ATAR892-C only)
Synchronous Serial Interface (2-wire, 3-wire)
Watchdog, POR and Brown-out Function
Voltage Monitoring Inclusive Lo_BAT Detect
Flash Controller T48C893 Available (SSO20)
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Description
The ATAR092-C and ATAR892-C are members of Atmel鈥檚 family of 4-bit single-chip
microcontrollers. They offer the highest integration for IR and RF data communication,
remote-control and phase-control applications. The ATAR092-C and ATAR892-C are
suitable as transmitters as well as receivers. They contain ROM, RAM, parallel I/O
ports, two 8-bit programmable multifunction timer/counters with modulator and
demodulator function, voltage supervision, 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-C has an additional
EEPROM as a second chip in one package.
Figure 1.
Block Diagram
V SS V DD
OSC1 OSC2
Low-current
Microcontroller
for Wireless
Communication
ATAR092-C
ATAR892-C
Brown-out protect.
RESET
Voltage monitor
External input
VMI
BP10
Port 1
BP13
BP20/NTE
Port 2
RC
Crystal
oscillators oscillators
External
clock input
UTCM
Timer 1
interval- and
watchdog timer
Timer 2
T2I
T2O
SD
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
SC
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
BP50
BP52
INT3
T2O
INT6
INT1
SC BP41
BP43
BP51
BP53
VMI
INT3
INT6
INT1
T2I
SD
BP60
T3O
BP63
T3I
Rev. 4593A鈥?BMCU鈥?3/03
1

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