Port Integration Module (S12GPIMV1)
MC9S12G Family Reference Manual Rev.1.27 
NXP Semiconductors 157
M PM3 TXD2
? ? ? ? ? ?
I/O SCI transmit
[PTM3]
? ? ? ? ? ? ? ?
I/O GPIO
PM2 RXD2
? ? ? ? ? ?
ISCI receive 
[PTM2]
? ? ? ? ? ? ? ?
I/O GPIO
PM1 TXCAN
? ? ? ? ? ? ? ? ? ? ? ?
O MSCAN transmit
TXD2
? ? ?
I/O SCI transmit
TXD1
? ?
I/O SCI transmit 
[PTM1]
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
I/O GPIO
PM0 RXCAN
? ? ? ? ? ? ? ? ? ? ? ?
I MSCAN receive
RXD2
? ? ?
I SCI receive
RXD1
? ?
ISCI receive 
[PTM0]
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
I/O GPIO
Table 2-4. Signals and Priorities
Port Pin Signal
Signals per Device and Package 
(signal priority on pin from top to bottom)
Legend
GA240 / GA192
G240 / G192
G128 / GA128 / G96 / GA96
GA240 / GA192
G240 / G192
G128 / GA128 / G96 / GA96
G64 / GA64 / G48 / GA48
GN48
GA240 / GA192
G240 / G192
G128 / GA128 / G96 / GA96
G64 / GA64 / G48 / GA48
GN48
GN32 / GNA32
GN16 / GNA16
G64 / G48
GN48
GN32
GN16
GN32
GN16
?
Signal available on pin
?
Routing option on pin
?
Routing reset location
Not available on pin
100 64 48 32 20 I/O Description