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ATAR510 Datasheet, PDF (1/74 Pages) ATMEL Corporation – MARC 4 4-BIT UNIVERSAL MICROCONTROLLER | |||
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Features
⢠Programmable System Clock with Prescaler and Five Different Clock Sources
â 4-MHz Crystal Oscillator
â 32-kHz Crystal Oscillator
â RC-oscillator Fully Integrated
â RC-oscillator with External Resistor Adjustment
â External Clock Input
⢠Wide Supply-voltage Range (2.2 V to 6.2 V)
⢠Very Low Halt Current (< 1 µA)
⢠4-Kbyte ROM, 256 à 4-bit RAM
⢠8 Hard and Software Interrupt Priority Levels
⢠Up to 10 External and 4 Internal Interrupts, Bit Wise Maskable with
Programmable Priority Level
⢠Up to 34 I/O Lines Including 8 High Drive I/O-lines (20 mA, VDD = 5 V)
⢠I/O Ports â Bit Wise Configurable with Combined Interrupt Handling
(for Serial I/O Applications)
⢠2 à 8-bit Multifunction Timer/Counters
⢠Coded Reset and Watchdog Timer (Mask Option)
⢠Power-on Reset and âBrown Outâ Function
⢠Various Power-down Modes
⢠Efficient, Hardware-controlled Interrupt Handling
⢠High Level Programming Language qFORTH
⢠Comprehensive Library of Useful Routines
⢠Windows® 95/Windows NT® Based Development Tools
MARC4 4-bit
Universal
Microcontroller
ATAR510
Description
The ATAR510 is a member of Atmelâs family of 4-bit single-chip microcontrollers. It
contains ROM, RAM, up to 34 digital I/O pins, up to 10 maskable external interrupt
sources, 4 maskable internal interrupts, a watchdog timer, interval timer, 2 x 8-bit mul-
tifunction timer/counter module, and a versatile software configurable on-chip system
clock module.
Rev. 4703Bâ4BMCUâ01/05
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