Datasheet Atmel ATmega645A — Даташит

Atmel ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
DATASHEET Features High performance, low power AtmelВ® AVRВ® 8-Bit Microcontroller Advanced RISC architecture
– 130 powerful instructions – most single clock cycle execution
– 32 × 8 general purpose working registers
– Fully static operation
– Up to 16MIPS throughput at 16MHz (Atmel ATmega165PA/645P)
– Up to 20MIPS throughput at 20MHz (Atmel
ATmega165A/325A/325PA/645A/3250A/3250PA/6450A/6450P)
– On-chip 2-cycle multiplier High endurance non-volatile memory segments
– In-system self-programmable flash program memory 16KBytes (ATmega165A/ATmega165PA) 32KBytes (ATmega325A/ATmega325PA/ATmega3250A/ATmega3250PA) 64KBytes (ATmega645A/ATmega645P/ATmega6450A/ATmega6450P)
– EEPROM 512Bytes (ATmega165A/ATmega165PA) 1Kbytes (ATmega325A/ATmega325PA/ATmega3250A/ATmega3250PA) 2Kbytes (ATmega645A/ATmega645P/ATmega6450A/ATmega6450P)
– Internal SRAM 1KBytes (ATmega165A/ATmega165PA) 2KBytes (ATmega325A/ATmega325PA/ATmega3250A/ATmega3250PA) 4KBytes (ATmega645A/ATmega645P/ATmega6450A/ATmega6450P)
– Write/erase cycles: 10,000 flash/100,000 EEPROM
– Data retention: 20 years at 85°C/100 years at 25°C (1)
– 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 Atmel QTouch® library support
– Capacitive touch buttons, sliders and wheels
– Atmel QTouch and QMatrix acquisition
– Up to 64 sense channels 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 …