Chapter 2 Port Integration Module (S12ZVHYPIMV1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
108
Freescale Semiconductor
shows the effect of enabled peripheral features on I/O state and enabled pull devices.
S
yes
yes
yes
yes
yes
yes
-
yes
yes
T
yes
yes
yes
yes
yes
-
-
yes
yes
AD
yes
yes
yes
yes
yes
-
-
yes
yes
U
yes
yes
yes
yes
yes
-
yes
-
-
1. Each cell represents one register with individual configuration bits
2. Only PA3/PA2
Table 2-22. Effect of Enabled Features
Enabled
Feature
Related Pin(s)
Effect on
I/O state
Effect on enabled
pull device
CPMU OSC
EXTAL, XTAL
CPMU takes control
Forced off
32K OSC
32K_EXTAL,
32K_XTAL
OSC takes control if CLKSRC
in
is set
Forced off
LCD
FP[39:0], BP[3:0]
LCD takes control
Forced off
TIMx
OCx
Forced output
Forced off
ICx
None (DDR maintains control)
None (PER/PPS maintain control)
SPIx
MISO, MOSI, SCK, SS Controlled input/output
Forced off if output
SCIx
TXD
Forced output
Forced off
RXD
Forced input
None (PER/PPS maintain control)
CANx
TXCAN
Forced output
Forced off
RXCAN
Forced input
Pulldown forced off
IICx
SCL, SDA
Controlled input/output
Forced off if output
S12ZDBG
PDO, PDOCLK
Forced output
Forced off
SSGx
SGA, SGT
Forced output
Forced off
PWM channel
PWMx
Forced output
Forced off
MC
MxCxM, MxCxP
Forced output
Forced off
SSDx
MxCOSM, MxCOSP,
MxSINM, MxSINP
Controlled input/output
Forced off if output
API
API_EXTCLK
Forced output
Forced off
ADCx
ANx
None (DDR maintains
control
(1)
)
None (PER/PPS maintain control)
LINPHYx
LPTXD0
Forced input
None (PER/PPS maintain control)
LPRXD0
Forced output
Forced off
Table 2-21. Register availability per port
(1)
Port
Data
Input
Data
Direction
Pull
Enable
Polarity
Select
Wired-
Or Mode
Slew
Rate
Enable
Interrupt
Enable
Interrupt
Flag