mc9s12c32mpb16 Freescale Semiconductor, Inc, mc9s12c32mpb16 Datasheet - Page 101

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

2.3.2.6
2.3.2.6.1
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.
2.3.2.6.2
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 + 0x0030
Module Base + 0x0031
Reset
Reset
W
W
R
R
PTIAD7
PTAD7
Port AD Registers
—
0
7
7
Port AD I/O Register (PTAD)
Port AD Input Register (PTIAD)
= Unimplemented or Reserved
PTIAD6
PTAD6
—
0
6
6
Figure 2-41. Port AD Input Register (PTIAD)
Figure 2-40. Port AD I/O Register (PTAD)
PTIAD5
PTAD5
MC9S12C-Family / MC9S12GC-Family
—
0
5
5
PTIAD4
PTAD4
Rev 01.23
—
0
4
4
Chapter 2 Port Integration Module (PIM9C32) Block Description
PTIAD3
PTAD3
—
0
3
3
PTIAD2
PTAD2
—
0
2
2
PTIAD1
PTAD1
—
0
1
1
PTIAD0
PTAD0
—
0
0
0
101