Device Overview MC9S12G-Family
Table 1-12. 32-Pin LQFP Pinout for S12GN48
Function
Internal Pull
<----lowest-----PRIORITY-----highest---->
Power
Resistor
Package Pin
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin
VSS
PE1 1
TEST
BKGD
PP0
PP1
PP2
PP3
PT3
PT2
PT1
PT0
PAD0
PAD1
PAD2
PAD3
PAD4
PAD5
PAD6
PAD7
PS0
PS1
PS4
PS5
PS6
PS7
PM0
PM1
2nd
Func.
XTAL
MODC
KWP0
KWP1
KWP2
KWP3
IOC3
IOC2
IOC1
IOC0
KWAD0
KWAD1
KWAD2
KWAD3
KWAD4
KWAD5
KWAD6
KWAD7
RXD0
TXD0
PWM4
IOC4
IOC5
API_EXTCLK
RXD1
TXD1
3rd
Func.
ETRIG0
ETRIG1
ETRIG2
ETRIG3
IRQ
XIRQ
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
MISO0
MOSI0
SCK0
ECLK
4th
Func
API_EXTCLK
ECLKX2
PWM2
PWM3
ACMPO
ACMPP
ACMPM
PWM5
5th
Func
PWM0
PWM1
SS0
Supply
N.A.
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
V DDA
V DDA
V DDA
V DDA
V DDA
V DDA
V DDA
V DDA
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
V DDX
CTRL
PUCR/PDPEE
RESET pin
PUCR/BKPUE
PERP/PPSP
PERP/PPSP
PERP/PPSP
PERP/PPSP
PERT/PPST
PERT/PPST
PERT/PPST
PERT/PPST
PER1AD/PPS1AD
PER1AD/PPS1AD
PER1AD/PPS1AD
PER1AD/PPS1AD
PER1AD/PPS1AD
PER1AD/PPS1AD
PER1AD/PPS1AD
PER1AD/PPS1AD
PERS/PPSS
PERS/PPSS
PERS/PPSS
PERS/PPSS
PERS/PPSS
PERS/PPSS
PERM/PPSM
PERM/PPSM
Reset
State
Down
Down
Up
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Up
Up
Up
Up
Up
Up
Disabled
Disabled
1
The regular I/O characteristics (see Section A.2, “I/O Characteristics ” ) apply if the EXTAL/XTAL function is disabled
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor
73
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