ATA5505 Datasheet, PDF (1/294 Pages) ATMEL Corporation – High Performance, Low Power Atmel AVR 8-bit Microcontroller Advanced RISC Architecture

Features
• High Performance, Low Power Atmel AVR 8-bit Microcontroller
• Advanced RISC Architecture
– 123 Powerful Instructions - Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
• Non-volatile Program and Data Memories
– 16Kbyte of In-system Programmable (ISP) Program Memory Flash
• Endurance: 10,000 Write/Erase Cycles
– 512Bytes In-system Programmable EEPROM
• Endurance: 100,000 Write/Erase Cycles
– 512Bytes Internal SRAM
– Programming Lock for Self-programming Flash Program and EEPROM Data
Security
– Low Size LIN/UART Software In-system Programmable
• Peripheral Features
– LF-RFID Reader/Writer Front End
• Carrier Frequency f_OSC = 100kHz to 150kHz
• Typical Data Rate up to 5Kbaud at 125kHz
• Suitable for Manchester anf Biphase Modulation
• Does not Require an External Crystal
• Power Supply from the Car Battery or from 5V Regulated Voltage
• Optimized for Car Immobilizer Applications
• Tuning Capability
– LIN 2.1 and 1.3 Controller or 8-bit UART
– 8-bit Asynchronous Timer/Counter 0:
• 10-bit Clock Prescaler
• 1 Output Compare or 8-bit PWM Channel
– 16-bit Synchronous Timer/Counter 1:
• 10-bit Clock Prescaler
• External Event Counter
• 2 Output Compares Units or 16-bit PWM Channels each Driving up to 4 Output
Pins
– Master/Slave SPI Serial Interface
– Universal Serial Interface (USI) with Start Condition Detector (Master/Slave SPI,
TWI, ...)
– 10-bit ADC:
• 11 Single-ended Channels
• 8 Differential ADC Channel Pairs with Programmable Gain (8x or 20x)
– On-chip Analog Comparator with Selectable Voltage Reference
– 100µA ±10% Current Source (LIN Node Identification)
– On-chip Temperature Sensor
– Programmable Watchdog Timer with Separate On-chip Oscillator
125kHz LF
Reader/Writer
with Integrated
Atmel AVR
Microcontroller
Atmel ATA5505
Preliminary
9219A–RFID–01/11