Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256 Manuale Utente
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DEMO9S12XHY256
Port Integration Module (S12XHYPIMV1)
MC9S12XHY-Family Reference Manual, Rev. 1.04
120
Freescale Semiconductor
2.3.50
PIM Reserved Registers
2.3.51
Port H Pull Device Enable Register (PERH)
2.3.52
Port H Polarity Select Register (PPSH)
Address 0x0263
Access: User read/write
1
1
Read: Anytime.
Write: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
Figure 2-47. PIM Reserved Register)
Address 0x0264
Access: User read/write
1
1
Read: Anytime.
Write: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
PERH7
PERH6
PERH5
PERH4
PERH3
PERH2
PERH1
PERH0
W
Reset
1
1
1
1
1
1
1
1
Figure 2-48. Port H Pull Device Enable Register (PERH)
Table 2-42. PERH Register Field Descriptions
Field
Description
7-0
PERH
Port H pull device enable—Enable pull devices on input pins
These bits configure whether a pull device is activated, if the associated pin is used as an input. This bit has no effect
if the pin is used as an output. Out of reset all pull device is enabled.
1 Pull device enabled.
0 Pull device disabled.
These bits configure whether a pull device is activated, if the associated pin is used as an input. This bit has no effect
if the pin is used as an output. Out of reset all pull device is enabled.
1 Pull device enabled.
0 Pull device disabled.
Address 0x0265
Access: User read/write
1
7
6
5
4
3
2
1
0
R
PPSH7
PPSH6
PPSH5
PPSH4
PPSH3
PPSH2
PPSH1
PPSH0
W
Reset
1
1
1
1
1
1
1
1
Figure 2-49. Port H Polarity Select Register (PPSH)