mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 35

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

1.4.2
Table 1-8
Freescale Semiconductor
Function 1
PAD[7:0]
RESET
PB[7:0]
PK[3:0]
PA[7:0]
PL[7:4]
PL[3:0]
EXTAL
BKGD
Name
TEST
XTAL
XFC
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PK7
Pin
summarizes all pin functions.
Signal Properties Summary
Function 2
FP[31:28]
FP[19:16]
FP[15:8]
AN[7:0]
FP[7:0]
BP[3:0]
IPIPE1
IPIPE0
TAGHI
Name
ECLK
FP22
FP21
FP20
XIRQ
FP23
IRQ
Pin
—
—
—
—
—
XADDR[17:14]
ADDR[15:8]/
Function 3
ADDR[7:0]/
KWAD[7:0]
DATA[15:8]
AN[15:12]
DATA[7:0]
AN[11:8]
XCLKS
LSTRB
MODC
MODB
MODA
Name
R/W
ECS
Pin
—
—
—
—
—
—
—
—
MC9S12HZ256 Data Sheet, Rev. 2.05
Function 4
Table 1-8. Signal Properties
ROMCTL
NOACC
TAGLO
Name
Pin
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Powered
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DDPLL
DDPLL
DDPLL
DDX2
DDX2
DDX2
DDX1
DDX1
DDX1
DDX2
DDX2
DDX2
DDX1
DDX1
DDX2
DDX2
DDX1
DDX1
DDX1
by
DDA
DDA
PERAD/
PPSAD
Always
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PUCR
PERL/
PERL/
CTRL
PPSL
PPSL
Internal Pull Up
None
pin is low: Down
pin is low: Down
NA
NA
NA
NA
Up
While RESET
While RESET
Resistor
Disabled Port AD I/O, Analog inputs
Reset
Down
Down
Down
Down
Down
Down
Down
Down
Down
Down
Chapter 1 MC9S12HZ256 Device Overview
State
None
NA
NA
NA
NA
Up
Up
Up
Oscillator pins
External reset pin
Test input - must be tied to
VSS in all applications
PLL loop Filter
Background debug, tag high,
mode pin
(ATD), interrupts
Port A I/O, multiplexed
address/data
Port B I/O, multiplexed
address/data
Port E I/O, access, clock
select, LCD driver
Port E I/O, pipe status, mode
input
Port E I/O, pipe status, mode
input
Port E I/O, bus clock output
Port E I/O, LCD driver, byte
strobe, tag low
Port E I/O, R/W in expanded
modes
Port E input, maskable
interrupt
Port E input, non-maskable
interrupt
Port K I/O, emulation chip
select, ROM on enable
Port K I/O, LCD driver,
extended addresses
Port L I/O, LCD drivers, analog
inputs (ATD)
Port L I/O, LCD drivers, analog
inputs (ATD)
Description
35