9S12HY48 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'9S12HY48' PDF : 790 Pages View PDF
Port Integration Module (S12HYPIMV1)
2.3.40 Port H Input Register (PTIH)
Address 0x0261
7
R PTIH7
6
PTIH6
5
PTIH5
4
PTIH4
3
PTIH3
2
PTIH2
W
Reset
u
u
u
u
u
u
= Unimplemented or Reserved
u = Unaffected by reset
Figure 2-38. Port H Input Register (PTIH)
1 Read: Anytime.
Write:Never, writes to this register have no effect.
Access: User read1
1
PTIH1
0
PTIH0
u
u
Field
7-0
PTIH
Table 2-37. PTIH Register Field Descriptions
Description
Port H 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.
2.3.41 Port H Data Direction Register (DDRH)
Address 0x0262
R
W
Reset
7
DDRH7
0
1 Read: Anytime.
Write: Anytime.
6
DDRH6
5
DDRH5
4
DDRH4
3
DDRH3
2
DDRH2
0
0
0
0
0
Figure 2-39. Port H Data Direction Register (DDRH)
Access: User read/write1
1
0
DDRH1
DDRH0
0
0
MC9S12HY/HA-Family Reference Manual, Rev. 1.02
98
Freescale Semiconductor
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