mc9s12c32mpb16 Freescale Semiconductor, Inc, mc9s12c32mpb16 Datasheet - Page 97

• Manufacturer Part Number: mc9s12c32mpb16
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

2.3.2.5
2.3.2.5.1
Read: Anytime.
Write: Anytime.
If the data direction bits of the associated I/O pins are set to 1, a read returns the value of the port register,
otherwise the value at the pins is read.
2.3.2.5.2
Read: Anytime.
Write: Never, writes to this register have no effect.
This register always reads back the status of the associated pins. This can be used to detect overload or
short circuit conditions on output pins.
Freescale Semiconductor
Module Base + 0x0028
Module Base + 0x0029
Reset
Reset
W
W
R
R
PTIJ7
PTJ7
Port J Registers
0
0
7
7
Port J I/O Register (PTJ)
Port J Input Register (PTIJ)
= Unimplemented or Reserved
= Unimplemented or Reserved
PTIJ6
PTJ6
0
0
6
6
Figure 2-33. Port J Input Register (PTIJ)
Figure 2-32. Port J I/O Register (PTJ)
MC9S12C-Family / MC9S12GC-Family
—
—
0
0
5
5
Rev 01.23
—
—
0
0
4
4
Chapter 2 Port Integration Module (PIM9C32) Block Description
—
—
0
0
3
3
—
—
0
0
2
2
—
—
0
0
1
1
—
—
0
0
0
0
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