MC9S12DP256B Datasheet, PDF(55/126 Page) Freescale Semiconductor, Inc – device made up of standard HCS12 blocks and the HCS12 processor core

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MC9S12DP256B Datasheet, PDF (55/126 Pages) Freescale Semiconductor, Inc – device made up of standard HCS12 blocks and the HCS12 processor core

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Freescale SemiconMdCu9cS1t2oDrP,2I5n6BcD.evice User Guide â V02.15

Pin Name

Funct. 1

EXTAL

XTAL

Pin Name

Funct. 2

Pin Name Pin Name Pin Name Power

Funct. 3 Funct. 4 Funct. 5 Supply

VDDPLL

Internal Pull

Resistor

CTRL

Reset

State

Description

Oscillator Pins

RESET

VDDR None

None External Reset

TEST

N.A.

NA Test Input

VREGEN

VDDX NA

NA Voltage Regulator Enable Input

XFC

VDDPLL NA

NA PLL Loop Filter

BKGD

TAGHI

MODC

Always

Background Debug, Tag High, Mode

VDDR

Input

PAD[15]

AN1[7]

ETRIG1

Port AD Input, Analog Input AN7

VDDA None None of ATD1, External Trigger Input of

ATD1

Port AD Inputs, Analog Inputs

PAD[14:8] AN1[6:0]

VDDA None None

AN[6:0] of ATD1

PAD[7]

AN0[7]

ETRIG0

Port AD Input, Analog Input AN7 of

VDDA None

None

ATD0, External Trigger Input of ATD0

Port AD Inputs, Analog Inputs

PAD[6:0] AN0[6:0]

VDDA None

None

AN[6:0] of ATD0

PA[7:0]

ADDR[15:8]/

DATA[15:8]

VDDR PUCR Disabled Port A I/O, Multiplexed Address/Data

PB[7:0]

ADDR[7:0]/

DATA[7:0]

VDDR PUCR Disabled Port B I/O, Multiplexed Address/Data

PE7

NOACC

XCLKS

VDDR PUCR

Up Port E I/O, Access, Clock Select

PE6

IPIPE1

MODB

PE5

IPIPE0

MODA

While RESET

VDDR

pin is low:

Port E I/O, Pipe Status, Mode Input

Down

While RESET

VDDR

pin is low:

Port E I/O, Pipe Status, Mode Input

Down

PE4

ECLK

VDDR PUCR

Up Port E I/O, Bus Clock Output

PE3

LSTRB

TAGLO

VDDR PUCR

Up Port E I/O, Byte Strobe, Tag Low

PE2

R/W

VDDR PUCR

Up Port E I/O, R/W in expanded modes

PE1

IRQ

PE0

XIRQ

PH7

KWH7

SS2

PH6

KWH6

SCK2

VDDR

Always up

Port E Input, Maskable Interrupt

Port E Input, Non Maskable Interrupt

PERH/

VDDR PPSH Disabled Port H I/O, Interrupt, SS of SPI2

PERH/

VDDR PPSH Disabled Port H I/O, Interrupt, SCK of SPI2

For More Information On This Product,

Go to: www.freescale.com

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