Microchip TechnologyUnited States

ATmega644P

Microcontrollers
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Technical parameters

Key specs

RAM4 kB
Power
ADC通道数8
低功耗模式0
最大工作电压5.5V
最小工作电压1.8V
静态工作电流11mA
AC and DC characteristics
ADC最高分辨率16bit
最大主核频率20MHz
Environment and package
内置温度传感器0
封装类型1QFP
封装类型2QFN
封装类型3DIP
尺寸规格110*10*1.2mm
尺寸规格27*7*1mm
尺寸规格352.3*15.2*4.8mm
最大工作温度105℃
最小工作温度-40℃
Other
AES加密0
I2C1
PLL锁相环0
RAM4KB
ROM64KB
SPI3
UART2
USB功能0
以太网功能0
内置ADC1
内置DAC0
内置LCD控制器0
内置缓存器0
图像处理器0
实时时钟1
引脚数量144
引脚数量244
引脚数量340
电容触摸功能0
看门狗定时器 0
触摸外设0
触摸按键0
计数器数量3
边界扫描0

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