参数资料
型号: MC56F8346MFV60
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 16-BIT, 120 MHz, OTHER DSP, PQFP144
封装: LQFP-144
文件页数: 92/178页
文件大小: 880K
代理商: MC56F8346MFV60
56F8346 Technical Data, Rev. 15
20
Freescale Semiconductor
Preliminary
2.2 Signal Pins
After reset, each pin is configured for its primary function (listed first). Any alternate functionality must
be programmed.
Note: Signals in italics are NOT available in the 56F8146 device.
If the “State During Reset” lists more than one state for a pin, the first state is the actual reset state. Other
states show the reset condition of the alternate function, which you get if the alternate pin function is
selected without changing the configuration of the alternate peripheral. For example, the A8/GPIOA0 pin
shows that it is tri-stated during reset. If the GPIOA_PER is changed to select the GPIO function of the
pin, it will become an input if no other registers are changed.
Table 2-2 Signal and Package Information for the 144 Pin LQFP
Signal Name
Pin No.
Type
State
During
Reset
Signal Description
VDD_IO
1
Supply
I/O Power — This pin supplies 3.3V power to the chip I/O interface
and also the Processor core throught the on-chip voltage regulator,
if it is enabled.
VDD_IO
16
VDD_IO
31
VDD_IO
38
VDD_IO
66
VDD_IO
84
VDD_IO
119
VDDA_ADC
102
Supply
ADC Power — This pin supplies 3.3V power to the ADC modules.
It must be connected to a clean analog power supply.
VDDA_OSC_PLL
80
Supply
Oscillator and PLL Power — This pin supplies 3.3V power to the
OSC and to the internal regulator that in turn supplies the Phase
Locked Loop. It must be connected to a clean analog power
supply.
VSS
27
Supply
VSS — These pins provide ground for chip logic and I/O drivers.
VSS
37
VSS
63
VSS
69
VSS
144
VSSA_ADC
103
Supply
ADC Analog Ground — This pin supplies an analog ground to the
ADC modules.
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