参数资料
型号: MCF52221CVM80
厂商: Freescale Semiconductor
文件页数: 19/55页
文件大小: 0K
描述: IC MCU 128K FLASH 80MHZ 81MAPBGA
标准包装: 240
系列: MCF5222x
核心处理器: Coldfire V2
芯体尺寸: 32-位
速度: 80MHz
连通性: I²C,SPI,UART/USART,USB OTG
外围设备: DMA,LVD,POR,PWM,WDT
输入/输出数: 56
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 81-LBGA
包装: 托盘
Family Configurations
MCF52223 ColdFire Microcontroller, Rev. 3
Freescale Semiconductor
26
1.17
Power and Ground Pins
The pins described in Table 19 provide system power and ground to the chip. Multiple pins are provided for adequate current
capability. All power supply pins must have adequate bypass capacitance for high-frequency noise suppression.
Table 19. Power and Ground Pins
Signal Name
Abbreviation
Function
PLL Analog Supply
VDDPLL,
VSSPLL
Dedicated power supply signals to isolate the sensitive PLL analog
circuitry from the normal levels of noise present on the digital power
supply.
USB Power Supply
VDDUSB
This pin supplies power to the USB Module.
USB Ground Supply
VSSUSB
This pin is the negative (ground) supply pin for the USB Module.
Positive Supply
VDD
These pins supply positive power to the core logic.
Ground
VSS
This pin is the negative supply (ground) to the chip.
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