MC9S12HY64 Datasheet, PDF (123/792 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

2.3.82 Port V Input Register (PTIV)
Port Integration Module (S12HYPIMV1)
Address 0x0299
7
R PTIV7
6
PTIV6
5
PTIV5
4
PTIV4
3
PTIV3
2
PTIV2
W
Reset
u
u
u
u
u
u
= Unimplemented or Reserved
u = Unaffected by reset
Figure 2-80. Port V Input Register (PTIV)
1 _{Read: Anytime.}
Write:Never, writes to this register have no effect.
Access: User read¹
1
PTIV1
0
PTIV0
u
u
Field
7-0
PTIV
Table 2-69. PTIV Register Field Descriptions
Description
Port V 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.
2.3.83 Port V Data Direction Register (DDRV)
Address 0x029A
R
W
Reset
7
DDRV7
0
1 _{Read: Anytime.}
Write: Anytime.
6
DDRV6
5
DDRV5
4
DDRV4
3
DDRV3
2
DDRV2
0
0
0
0
0
Figure 2-81. Port V Data Direction Register (DDRV)
Access: User read/write¹
1
0
DDRV1
DDRV0
0
0
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Freescale Semiconductor
123