ATmega644A
ATmega644A is CMOS 8-bit microcontrollers manufactured by Microchip Technology.
- Part of the ATmega164A comparator family.
- Part of the ATmega164A comparator family.
atures
- High-performance, low-power 8-bit AVR® Microcontroller
- Advanced RISC architecture
- 131 powerful Instructions
- most single-clock cycle execution
- 32 × 8 general purpose working registers
- Fully static operation
- Up to 20MIPS throughput at 20MHz
- On-chip 2-cycle multiplier
- High endurance non-volatile memory segments
- 16/32/64/128KBytes of In-System Self-programmable Flash program memory
- 512/1K/2K/4KBytes EEPROM
- 1/2/4/16KBytes Internal SRAM
- 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
- QTouch® Library Support
- Capacitive touch buttons, sliders and wheels
- QTouch and QMatrix™ acquisition
- Up to 64 sense channels
- JTAG (IEEE std. 1149.1 pliant) 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
2020 Microchip Technology Inc.
Data Sheet plete
DS40002070B-page...
