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ATAR080 fiches techniques PDF

ATMEL Corporation - Low-current Microcontroller

Numéro de référence ATAR080
Description Low-current Microcontroller
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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ATAR080 fiche technique
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Features/Benefits
Very Low Power Consumption in Active, Power-down and Sleep Mode
2-Kbyte ROM, 256 × 4-bit RAM
12 Bi-directional I/Os
Up to 6 External/Internal Interrupt Sources
Multifunction Timer/Counter
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)
Synchronous Serial Interface (2-wire, 3-wire)
Watchdog, POR and Brown-out Function
Voltage Monitoring Inclusive Lo_BAT Detection
Flash Controller ATAM893 available (SSO20)
Description
The ATAR080 is a member of Atmel’s family of 4-bit single-chip microcontrollers. It
contains ROM, RAM, parallel I/O ports, one 8-bit programmable multifunction
timer/counter with modulator function, voltage supervision, interval timer with watch-
dog function and a sophisticated on-chip clock generation with external clock input,
integrated RC-, 32-kHz and 4-MHz crystal-oscillators.
Figure 1. Block Diagram
VSS VDD
NRST/
OSC1 OSC2
Low-current
Microcontroller
for Wireless
Communication
ATAR080
BP20/NTE
BP21
BP22
BP23
Brown-out
protect RESET
Voltage Monitor
External input
VMI
RC Crystal External
oscillators oscillators clock input
Clock management
ROM
RAM
2 K × 8 bit 256 × 4 bit
MARC4
4-bit CPU core
I/O bus
UTCM
Timer 1
interval- and
watchdog timer
Timer 2
8/12-bit timer
with modulator
SSI
Serial interface
T2I
T2O
SD
SC
Data direction +
alternate function
Port 4
Data direction +
interrupt control
Port 5
BP40 BP42
INT3 T2O
SC
BP41 BP43
VMI INT3
T2I SD
BP50 BP52
INT6 INT1
BP51 BP53
INT6 INT1
Rev. 4675D–4BMCU–12/04

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