mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 59

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

1.3.2
Freescale Semiconductor
12,8,6,4,2,0]
10,9,7,5,3,1]
Function 1
PAD[15,13,
PAD[14,11,
Pin Name
PA[7:0]
PB[7:0]
PK[5:0]
RESET
EXTAL
BKGD
PK[7]
PK[6]
TEST
XTAL
XFC
PM7
PM6
PM5
PM4
PM3
PM1
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
Signal Properties Summary
XADDR[19:14]
ADDR[15:8]/
12,8,6,4,2,0]
10,9,7,5,3,1]
DATA[15:8]
ADDR[7:0]/
Function 2
DATA[7:0]
Pin Name
AN[15,13,
AN[14,11,
NOACC
LSTRB
MODC
IPIPE1
IPIPE0
RXD2
DAO1
ECLK
TXD2
XIRQ
VPP
ECS
XCS
SDA
R/W
SCL
IRQ
—
—
—
—
—
KWAD[15,13,
KWAD[14,11,
12,8,6,4,2,0]
10,9,7,5,3,1]
Function 3
Pin Name
ROMCTL
TAGLO
XCLKS
MODB
MODA
TAGHI
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MC9S12E256 Data Sheet, Rev. 1.08
VDDPLL
VDDPLL
VDDPLL
Domain
Table 1-4. Signal Properties
Power
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
VDDX
NA
PERAD/
PERAD/
PPSAD
PPSAD
PERM/
PERM/
PERM/
PERM/
PERM/
PERM/
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PPSM
PPSM
PPSM
PPSM
PPSM
PPSM
CTRL
Internal Pull Resistor
None
While RESET is low:
While RESET is low:
Input
NA
NA
NA
NA
Up
Down
Down
Chapter 1 MC9S12E256 Device Overview (MC9S12E256DGV1)
Reset State
Mode Dep
Mode Dep
Mode Dep
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
None
Input
NA
NA
NA
Up
NA
Up
Up
Up
Up
Up
Up
Up
Up
Up
1
1
1
Oscillator pins
PLL loop filter pin
External reset pin
Background debug, mode pin, tag signal
high
Test pin only
Port AD I/O Pins, ATD inputs, keypad
Wake-up
Port AD I/O Pins, ATD inputs, keypad
Wake-up
Port A I/O pin, multiplexed
address/data
Port B I/O pin, multiplexed
address/data
Port E I/O pin, access, clock select
Port E I/O pin, pipe status, mode
selection
Port E I/O pin, pipe status, mode
selection
Port E I/O pin, bus clock output
Port E I/O pin, low strobe, tag signal
low
Port E I/O pin, R/W in expanded modes
Port E input, external interrupt pin
Port E input, non-maskable interrupt pin
Port K I/O Pin, Emulation Chip Select
Port K I/O Pin, External Chip Select
Port K I/O Pins, Extended Addresses
Port M I/O Pin, IIC SCL signal
Port M I/O Pin, IIC SDA signal
Port M I/O Pin, SCI2 transmit signal
Port M I/O Pin, SCI2 receive signal
Port M I/O Pin
Port M I/O Pin, DAC1 output
Description
59