mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 61

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Port
A
B
E
K
-
Pin Name
PK[7,5:0]
PB[7:0]
PE[6:5]
PE[3:2]
PA[7:0]
BKGD
PE[7]
PE[4]
PE[1]
PE[0]
If there is more than one function associated with a pin, the priority is
indicated by the position in the table from top (highest priority) to bottom
(lowest priority)
Pin Function
& Priority
XCLKS
MODC
ECLKX2
BKGD
ECLK
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
XIRQ
GPIO
IRQ
GPI
GPI
2
2
1
Table 2-1. Pin Functions and Priorities
S12XS Family Reference Manual, Rev. 1.10
I/O
I/O S12X_BDM communication pin
I/O General purpose
I/O General purpose
I/O General purpose
I/O General purpose
I/O General purpose
I/O General purpose
I/O General purpose
O Free-running clock at core clock rate (ECLK x 2)
O Free-running clock at bus clock rate or programmable
I
I
I
I
I
I
MODC input during RESET
External clock selection input during RESET
down-scaled bus clock
Maskable level- or falling edge-sensitive interrupt
General-purpose
Non-maskable level-sensitive interrupt
General-purpose
NOTE
Description
Port Integration Module (S12XSPIMV1)
Pin Function
after Reset
BKGD
GPIO
GPIO
GPIO
GPIO
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