sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 108

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

1
1
Port Integration Module (S12HYPIMV1)
2.3.58
2.3.59
108
Address 0x0281
Address 0x0282
Read: Anytime.
Write:Never, writes to this register have no effect.
Read: Anytime.
Write: Anytime.
Field
PTIR
Reset
Reset
7-0
W
W
R
R
Port R input data—
This register always reads back the buffered state of the associated pins. This can also be used to detect overload
or short circuit conditions on output pins.
DDRR7
PTIR7
Port R Input Register (PTIR)
Port R Data Direction Register (DDRR)
u
0
7
7
= Unimplemented or Reserved
DDRR6
PTIR6
u
0
6
6
Figure 2-57. Port R Data Direction Register (DDRR)
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Table 2-48. PTIR Register Field Descriptions
Figure 2-56. Port R Input Register (PTIR)
DDRR5
PTIR5
u
0
5
5
DDRR4
PTIR4
u
0
4
4
Description
u = Unaffected by reset
DDRR3
PTIR3
3
u
3
0
DDRR2
PTIR2
u
0
2
2
Freescale Semiconductor
DDRR1
Access: User read/write
PTIR1
u
0
1
1
Access: User read
DDRR0
PTIR0
u
0
0
0
1
1