参数资料
型号: MC9SA256BCFUR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80
封装: QFP-80
文件页数: 22/102页
文件大小: 1050K
代理商: MC9SA256BCFUR2
MC9S12A256 Device Guide — V01.01
26
2.2 Signal Properties Summary
Table 2-1 summarizes the pin functionality. Signals shown in bold are not available in the 80 pin
package.
Table 2-1 Signal Properties
Pin Name
Function 1
Pin Name
Function 2
Pin Name
Function 3
Pin Name
Function 4
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Description
EXTAL
———
VDDPLL
Oscillator Pins
XTAL
———
RESET
———
VDDR
External Reset
TEST
———
N.A.
Test Input
VREGEN
———
VDDX
Voltage Regulator Enable Input
XFC
———
VDDPLL
PLL Loop Filter
BKGD
TAGHI
MODC
VDDR
Background Debug, Tag High, Mode Input
PAD15
AN15
ETRIG1
VDDA
Port AD Input, Analog Input AN7 of
ATD1, External Trigger Input of ATD1
PAD[14:8]
AN[14:08]
——
Port AD Inputs, Analog Inputs AN[6:0]
of ATD1
PAD07
AN07
ETRIG0
Port AD Input, Analog Input AN7 of ATD0,
External Trigger Input of ATD0
PAD[06:00]
AN[06:00]
——
Port AD Inputs, Analog Inputs AN[6:0] of
ATD0
PA[7:0]
ADDR[15:8]/
DATA[15:8]
——
VDDR
Port A I/O, Multiplexed Address/Data
PB[7:0]
ADDR[7:0]/
DATA[7:0]
——
Port B I/O, Multiplexed Address/Data
PE7
NOACC
XCLKS
Port E I/O, Access, Clock Select
PE6
IPIPE1
MODB
Port E I/O, Pipe Status, Mode Input
PE5
IPIPE0
MODA
Port E I/O, Pipe Status, Mode Input
PE4
ECLK
——
Port E I/O, Bus Clock Output
PE3
LSTRB
TAGLO
Port E I/O, Byte Strobe, Tag Low
PE2
R/W
——
Port E I/O, R/W in expanded modes
PE1
IRQ
——
Port E Input, Maskable Interrupt
PE0
XIRQ
——
Port E Input, Non Maskable Interrupt
PH7
KWH7
SS2
Port H I/O, Interrupt, SS of SPI2
PH6
KWH6
SCK2
Port H I/O, Interrupt, SCK of SPI2
PH5
KWH5
MOSI2
Port H I/O, Interrupt, MOSI of SPI2
PH4
KWH4
MISO2
Port H I/O, Interrupt, MISO of SPI2
PH3
KWH3
SS1
Port H I/O, Interrupt, SS of SPI1
PH2
KWH2
SCK1
Port H I/O, Interrupt, SCK of SPI1
PH1
KWH1
MOSI1
Port H I/O, Interrupt, MOSI of SPI1
PH0
KWH0
MISO1
Port H I/O, Interrupt, MISO of SPI1
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