參數(shù)資料
型號： MC56F8122VFAE
廠商： Freescale Semiconductor
文件頁數(shù)： 48/136頁
文件大?。?/td> 0K
描述： IC DSP 16BIT 40MHZ 48-LQFP
標準包裝： 250
系列： 56F8xxx
核心處理器： 56800E
芯體尺寸： 16-位
速度： 40MHz
連通性： SCI，SPI
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 21
程序存儲器容量： 32KB（16K x 16）
程序存儲器類型： 閃存
RAM 容量： 4K x 16
電壓 - 電源 (Vcc/Vdd)： 2.25 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 6x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 105°C
封裝/外殼： 48-LQFP
包裝： 托盤
產(chǎn)品目錄頁面： 734 (CN2011-ZH PDF)
Signal Pins
56F8322 Technical Data, Rev. 16
Freescale Semiconductor
19
Preliminary
2.2 Signal Pins
After reset, each pin is configured for its primary function (listed first). In the 56F8122, after reset, each
pin must be configured for the desired function. The initialization software will configure each pin for the
function listed first for each pin, as shown in Table 2-2. Any alternate functionality must be programmed.
Note: Signals in italics are not available in the 56F8122 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 SCLK0/GPIOB3
pin shows that it is tri-stated during reset. If the GPIOB_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 48-Pin LQFP
Signal Name
Pin No.
Type
State During
Reset
Signal Description
VDD_IO
5
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
14
VDD_IO
34
VDD_IO
44
VDDA_ADC
30
Supply
ADC Power — This pin supplies 3.3V power to the ADC modules. It
must be connected to a clean analog power supply.
VSS
10
Supply
Ground — These pins provide ground for chip logic and I/O drivers.
VSS
13
VSS
31
VSS
45
VSSA_ADC
29
Supply
ADC Analog Ground — This pin supplies an analog ground to the
ADC modules.
VCAP1
43
Supply
VCAP1 - 2 — Connect each pin to a 2.2μF or greater bypass capacitor
in order to bypass the core logic voltage regulator, required for proper
chip operation.
VCAP2
17
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