Microchip AT91M55800A Bedienungsanleitung
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Features
•Utilizes the ARM7TDMI
®
ARM
®
Thumb
®
Processor Core
–High-performance 32-bit RISC Architecture
–High-density 16-bit Instruction Set
–Leader in MIPS/Watt
–EmbeddedICE
™
(In-Circuit Emulation)
•8K Bytes Internal SRAM
•Fully-programmable External Bus Interface (EBI)
–Maximum External Address Space of 128M Bytes
–Eight Chip Selects
–Software Programmable 8/16-bit External Databus
•8-level Priority, Individually Maskable, Vectored Interrupt Controller
–Seven External Interrupts, Including a High-priority, Low-latency Interrupt Request
•Fifty-eight Programmable I/O Lines
•6-channel 16-bit Timer/Counter
–Six External Clock Inputs and Two Multi-purpose I/O Pins per Channel
•Three USARTs
•Master/Slave SPI Interface
–8-bit to 16-bit Programmable Data Length
–Four External Slave Chip Selects
•Programmable Watchdog Timer
•8-channel 10-bit ADC
•2-channel 10-bit DAC
•Clock Generator with On-chip Main Oscillator and PLL for Multiplication
–3 to 20 MHz Frequency Range Main Oscillator
•Real-time Clock with On-chip 32 kHz Oscillator
–Battery Backup Operation and External Alarm
•8-channel Peripheral Data Controller for USARTs and SPIs
•Advanced Power Management Controller (APMC)
–Normal, Wait, Slow, Standby and Power-down modes
•IEEE
®
1149.1 JTAG Boundary-scan on all Digital Pins
•Fully Static Operation: 0 Hz to 33 MHz
•2.7V to 3.6V Core Operating Range
•2.7V to 5.5V I/O Operating Range
•2.7V to 3.6V Analog Operating Range
•1.8V to 3.6V Backup Battery Operating Range
•2.7V to 3.6V Oscillator and PLL Operating Range
•-40°C to +85°C Temperature Range
•Available in a 176-lead LQFP (Green) and a 176-ball BGAPackage (RoHS-compliant)
1.Description
The AT91M55800A is a member of the Atmel AT91 16/32-bit microcontroller family,
which is based on the ARM7TDMI processor core. This processor has a high-perfor-
mance 32-bit RISC architecture with a high-density 16-bit instruction set and very low
power consumption. In addition, a large number of internally banked registers result in
very fast exception handling, making the device ideal for real-time control
applications.
AT91 ARM
Thumb-based
Microcontrollers
AT91M55800A
Rev. 1745F–ATARM–06-Sep-07
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | AT91M55800A |
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