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ATAR092 Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATAR092 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 100 page  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 OSC1 OSC2 I/O bus ROM RAM 4-bit CPU core 256 x 4 bit V SS Data direction + alternate function Data direction + interrupt control Port 4 Port 5 Data direction + alternate function Port 6 Timer 3 Brown-out protect. RESET Clock management Timer 1 watchdog timer Timer 2 Serial interface Port 1 T2O SD SC T3O T3I BP10 BP13 BP20/NTE BP21 BP22 BP23 BP40 INT3 SC BP41 VMI BP42 T2O BP43 INT3 BP50 INT6 BP51 INT6 BP52 INT1 BP53 INT1 BP60 T3O BP63 T3I RC oscillators Crystal oscillators 4 K x 8 bit VMI with modulator SSI External clock input interval- and 8/12-bit timer 8-bit timer/counter with modulator and demodulator T2I Low-current Microcontroller for Wireless Communication ATAR092 ATAR892 |
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