ATMEGA644PR231-MU Microchip

8-bit Atmel Microcontroller with 16K/32K/64K Bytes In-System Programmable Flash ATmega164P/V-ATmega324P/V-ATmega644P/V DATASHEET Features High-performance, Low-power Atmel AVR 8-bit Microcontroller Advanced RISC Architecture 131 Powerful Instructions Most Single-clock Cycle Execution 32 8 General Purpose Working Registers Fully Static Operation Up to 20 MIPS Throughput at 20 MHz On-chip 2-cycle Multiplier High Endurance Non-volatile Memory segments 16K/32K/64K Bytes of In-System Self-programmable Flash program memory 512B/1K/2K Bytes EEPROM 1K/2K/4K Bytes Internal SRAM Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM (1) Data retention: 20 years at 85 C/100 years at 25 C Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation Programming Lock for Software Security JTAG (IEEE std. 1149.1 Compliant) Interface Boundary-scan Capabilities According to the JTAG Standard Extensive On-chip Debug Support Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface Peripheral Features Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode Real Time Counter with Separate Oscillator Six PWM Channels 8-channel, 10-bit ADC Differential mode with selectable gain at 1, 10 or 200 Byte-oriented Two-wire Serial Interface Two Programmable Serial USART Master/Slave SPI Serial Interface Programmable Watchdog Timer with Separate On-chip Oscillator On-chip Analog Comparator Atmel-8011R-AVR-ATmega164P/V-324P/V-644P/V-Datasheet_09/2015 Interrupt and Wake-up on Pin Change Special Microcontroller Features Power-on Reset and Programmable Brown-out Detection Internal Calibrated RC Oscillator External and Internal Interrupt Sources Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby I/O and Packages 32 Programmable I/O Lines 40-pin PDIP, 44-lead TQFP, 44-pad VQFN/QFN/MLF (ATmega164P/324P/644P) 44-pad DRQFN (ATmega164P)Operating Voltages 1.8V - 5.5V for ATmega164P/324P/644PV 2.7V - 5.5V for ATmega164P/324P/644P Speed Grades ATmega164P/324P/644PV: 0 - 4 MHz @ 1.8V - 5.5V, 0 - 10 MHz @ 2.7V - 5.5V ATmega164P/324P/644P: 0 - 10 MHz @ 2.7V - 5.5V, 0 - 20 MHz @ 4.5V - 5.5V Power Consumption at 1 MHz, 1.8V, 25C for ATmega164P/324P/644PV Active: 0.4 mA Power-down Mode: 0.1 A Power-save Mode: 0.6 A (Including 32 kHz RTC) Note: 1. See Data Retention on page 8. ATmega164P/V-324P/V-644P/V [DATASHEET] 2 Atmel-8011R-AVR--09/2015