LFDAS12XSFT Freescale Semiconductor, LFDAS12XSFT Datasheet - Page 109

• Manufacturer Part Number: LFDAS12XSFT
• Description: HARDWARE MC9S12XS 80-PIN
• Manufacturer: Freescale Semiconductor

Specifications of LFDAS12XSFT

• Module/board Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: -

1
1
2.3.51
2.3.52
Freescale Semiconductor
Address 0x0261
Address 0x0262
Read: Anytime.
Write:Never, writes to this register have no effect.
Read: Anytime.
Write: Anytime.
DDRH
Field
Field
PTIH
Reset
Reset
7-0
7-0
W
W
R
R
Port H input data—
A read always returns the buffered input state of the associated pin. It can be used to detect overload or short circuit
conditions on output pins.
Port H data direction—
This bit determines whether the associated pin is an input or output.
1 Associated pin configured as output
0 Associated pin configured as input
DDRH7
PTIH7
Port H Input Register (PTIH)
Port H Data Direction Register (DDRH)
u
0
7
7
= Unimplemented or Reserved
DDRH6
PTIH6
u
0
6
6
Figure 2-50. Port H Data Direction Register (DDRH)
Table 2-49. DDRH Register Field Descriptions
Table 2-48. PTIH Register Field Descriptions
Figure 2-49. Port H Input Register (PTIH)
S12XS Family Reference Manual, Rev. 1.11
DDRH5
PTIH5
u
0
5
5
DDRH4
PTIH4
u
0
4
4
Description
Description
u = Unaffected by reset
DDRH3
PTIH3
3
u
3
0
DDRH2
PTIH2
u
0
Port Integration Module (S12XSPIMV1)
2
2
DDRH1
Access: User read/write
PTIH1
u
0
1
1
Access: User read
DDRH0
PTIH0
u
0
0
0
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1
1