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ATAR892 Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATAR892 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 107 page  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 (1.8V to 6.5V) • Very Low Sleep Current (< 1 µA) • 32 × 16-bit EEPROM (ATAR092 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) 1. Description The ATAR092 and ATAR892 are members of Atmel ®’s family of 4-bit single-chip microcontrollers. They offer highest integration for IR and RF data communication, remote-control and phase-control applications. The ATAR092 and ATAR892 are suit- able 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 1-1. Block Diagram T2I SD Voltage Monitor External Input MARC4 UTCM OSC2 OSC1 I/O Bus ROM RAM 4-bit CPU Core 256 x 4 bit V SS V DD Data Direction + Alternate Function Data Direction + Interrupt Control Data Direction + Alternate Function Port 5 Port 6 Port 4 Timer 3 Brown-out Protect RESET Clock Management Timer 1 Watchdog Timer Timer 2 Serial Interface Port 1 T2I T3I T3O T2O SC SD BP10 BP13 BP21 BP22 BP23 BP20/NTE BP40 INT3 SC BP41 VMI BP42 T2O BP43 INT3 BP50 INT6 BP51 INT6 BP52 INT1 BP53 INT1 BP60 T3O BP63 T31 RC Oscillators Oscillators Crystal 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 Low-current Microcontroller for Wireless Communication ATAR092 ATAR892 4535E–4BMCU–05/07 |
Similar Part No. - ATAR892_14 |
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Similar Description - ATAR892_14 |
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