參數(shù)資料
型號: MC9S12H256VFVR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP144
封裝: LQFP-144
文件頁數(shù): 80/131頁
文件大?。?/td> 2133K
代理商: MC9S12H256VFVR2
MC9S12H256 Device User Guide — V01.16
52
2.2 Signal Properties Summary
Table 2-1 summarizes all pin functions.
NOTE:
Bold entries determine pins not available on 112-pin LQFP.
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
VDDPLL
RESET
VDDX2
External Reset Pin
TEST
VDDX2
Test Input
XFC
VDDPLL
PLL Loop Filter
BKGD
TAGHI
MODC
VDDX2
Background Debug, Tag High, Mode Pin
PAD[7:0]
AN[7:0]
VDDA
Port AD Inputs, Analog Inputs (ATD)
PAD[15:8]
AN[15:8]
VDDA
Port AD Inputs, Analog Inputs (ATD)
PA[7:0]
FP[15:8]
ADDR[15:8]/
DATA[15:8]
VDDX1
Port A I/O, Multiplexed Address/Data
PB[7:0]
FP[7:0]
ADDR[7:0]/
DATA[7:0]
VDDX1
Port B I/O, Multiplexed Address/Data
PE7
FP22
XCLKS
NOACC
VDDX1
Port E I/O, Access, Clock Select, LCD driver
PE6
IPIPE1
MODB
VDDX2
Port E I/O, Pipe Status, Mode Input
PE5
IPIPE0
MODA
VDDX2
Port E I/O, Pipe Status, Mode Input
PE4
ECLK
VDDX2
Port E I/O, Bus Clock Output
PE3
FP21
LSTRB
TAGLO
VDDX1
Port E I/O, LCD driver, Byte Strobe, Tag Low
PE2
FP20
R/W
VDDX1
Port E I/O, R/W in expanded modes
PE1
IRQ
VDDX2
Port E Input, Maskable Interrupt
PE0
XIRQ
VDDX2
Port E Input, Non Maskable Interrupt
PH[7:0]
KWH[7:0]
VDDM
Port H I/O, Interrupts
PJ[3:0]
KWJ[3:0]
VDDX1
Port J I/O, Interrupts
PK7
FP23
ECS
ROMONE
VDDX1
Port K I/O, Emulation Chip Select, ROM On
Enable
PK[3:0]
BP[3:0]
XADDR[17:14]
VDDX1
Port K I/O, LCD driver, Extended Addresses
PL[3:0]
FP[19:16]
VDDX1
Port L I/O, LCD drivers
PL[7:4]
FP[31:28]
VDDX1
Port L I/O, LCD drivers
PM5
TXCAN1
VDDX2
Port M I/O, TX of CAN1
PM4
RXCAN1
VDDX2
Port M I/O, RX of CAN1
PM3
TXCAN0
VDDX2
Port M I/O, TX of CAN0
PM2
RXCAN0
VDDX2
Port M I/O, RX of CAN0
PM1
SCL
VDDX2
Port M I/O, SCL of IIC
PM0
SDA
VDDX2
Port M I/O, SDA of IIC
PP[5:2]
PWM[5:2]
VDDX2
Port P I/O, PWM channels
PP[1:0]
PWM[1:0]
VDDX2
Port P I/O, PWM channels
PS7
SS
VDDX2
Port S I/O, SS of SPI
PS6
SCK
VDDX2
Port S I/O, SCK of SPI
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