MC9S12DT256 Device User Guide — V03.07
54
Pin Name
Funct. 1
Pin Name
Funct. 2
Pin Name
Funct. 3
Pin Name
Funct. 4
Pin Name
Funct. 5
Power
Supply
Internal Pull
Resistor
Description
CTRL
Reset
State
EXTAL
—
—
—
—
VDDPLL
NA
NA
Oscillator Pins
XTAL
—
—
—
—
VDDPLL
NA
NA
RESET
—
—
—
—
VDDR
None
None
External Reset
TEST
—
—
—
—
N.A.
NA
NA
Test Input
VREGEN
—
—
—
—
VDDX
NA
NA
Voltage Regulator Enable Input
XFC
—
—
—
—
VDDPLL
NA
NA
PLL Loop Filter
BKGD
TAGHI
MODC
—
—
VDDR
Always
Up
Up
Background Debug, Tag High, Mode
Input
PAD[15]
AN1[7]
ETRIG1
—
—
VDDA
None
None
Port AD Input, Analog Input AN7
of ATD1, External Trigger Input of
ATD1
PAD[14:8]
AN1[6:0]
—
—
—
VDDA
None
None
Port AD Inputs, Analog Inputs
AN[6:0] of ATD1
PAD[7]
AN0[7]
ETRIG0
—
—
VDDA
None
None
Port AD Input, Analog Input AN7 of
ATD0, External Trigger Input of ATD0
PAD[6:0]
AN0[6:0]
—
—
—
VDDA
None
None
Port AD Inputs, Analog Inputs
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
—
—
VDDR
While RESET
pin is low:
Down
Port E I/O, Pipe Status, Mode Input
PE5
IPIPE0
MODA
—
—
VDDR
While RESET
pin is low:
Down
Port E I/O, Pipe Status, Mode Input
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
—
—
—
VDDR
PUCR
Up
Port E Input, Maskable Interrupt
PE0
XIRQ
—
—
—
VDDR
PUCR
Up
Port E Input, Non Maskable Interrupt
PH7
KWH7
SS2
—
—
VDDR
PERH/
PPSH
Disabled
Port H I/O, Interrupt, SS of SPI2
PH6
KWH6
SCK2
—
—
VDDR
PERH/
PPSH
Disabled
Port H I/O, Interrupt, SCK of SPI2
PH5
KWH5
MOSI2
—
—
VDDR
PERH/
PPSH
Disabled
Port H I/O, Interrupt, MOSI of SPI2
Summary of Contents for MC9S12A256
Page 3: ...MC9S12DT256 Device User Guide 9S12DT256DGV3 D V03 07 3 ...
Page 4: ...MC9S12DT256 Device User Guide 9S12DT256DGV3 D V03 07 4 ...
Page 10: ...MC9S12DT256 Device User Guide V03 07 10 ...
Page 12: ...MC9S12DT256 Device User Guide V03 07 12 ...
Page 14: ...MC9S12DT256 Device User Guide V03 07 14 Table A 21 Expanded Bus Timing Characteristics 125 ...
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Page 78: ...MC9S12DT256 Device User Guide V03 07 78 ...
Page 88: ...MC9S12DT256 Device User Guide V03 07 88 ...
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Page 131: ...MC9S12DT256 Device User Guide V03 07 131 User Guide End Sheet ...
Page 132: ...MC9S12DT256 Device User Guide V03 07 132 FINAL PAGE OF 132 PAGES ...