Datasheet ATMEGA644A-PU - Atmel 8- bit Microcontrollers (MCU) 20 MHz Ind Temp — 数据表

Atmel ATMEGA644A-PU

Part Number: ATMEGA644A-PU

详细说明

Manufacturer: Atmel

Description: 8- bit Microcontrollers (MCU) 20 MHz Ind Temp

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Docket:
Features
· High-performance, Low-power Atmel® AVR® 8-bit Microcontroller · Advanced RISC Architecture
­ 131 Powerful Instructions ­ Most Single-clock Cycle Execution ­ 32 x 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 Compliant) Interface ­ Boundary-scan Capabilities According to the JTAG Standard ­ Extensiv

Specifications:

  • Clock Frequency Max: 20 MHz
  • Core: AVR
  • Data Bus Width: 8 bit
  • Interface: JTAG, SPI, TWI, USART
  • Mounting Style: Through Hole
  • Number of I/O Lines: 32
  • Number of Timers: 3
  • Operating Supply Voltage: 1.8 V to 5.5 V
  • Operating Temperature Range: - 40 C to + 85 C
  • Package / Case: PDIP-40
  • Processor Series: ATMEGA64x
  • Program Memory Size: 64 Kb
  • Program Memory Type: Flash
  • RAM Size: 4 Kb
  • RoHS: Yes

其他名称:

ATMEGA644APU, ATMEGA644A PU