At91m55800a-33au ARM microcontroller - MCU original stock

Description

many ultra low-power applications.

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)