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MC9S12VR-Family - Data Sheet - Freescale Semiconductor

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Port Integration Module (S12VRPIMV2)<br />

2.3.35 Port L Input Divider Ratio Selection Register (PIRL)<br />

Address 0x026C Access: User read/write 1<br />

1 Read: Anytime<br />

Write: Anytime<br />

7 6 5 4 3 2 1 0<br />

R 0 0 0 0<br />

W<br />

2.3.36 Port L Polarity Select Register (PPSL)<br />

<strong>MC9S12VR</strong> <strong>Family</strong> Reference Manual, Rev. 2.8<br />

PIRL3 PIRL2 PIRL1 PIRL0<br />

Reset 0 0 0 0 0 0 0 0<br />

Figure 2-34. Port L Input Divider Ratio Selection Register (PIRL)<br />

Table 2-36. PIRL Register Field Descriptions<br />

Field Description<br />

3-0<br />

PIRL<br />

Port L Input Divider Ratio Select —<br />

This bit selects one of two voltage divider ratios for the associated high-voltage input pin in analog mode.<br />

1 Ratio L_HVI selected<br />

0 Ratio H_HVI selected<br />

Address 0x026D Access: User read/write 1<br />

1 Read: Anytime<br />

Write: Anytime<br />

7 6 5 4 3 2 1 0<br />

R 0 0 0 0<br />

W<br />

PPSL3 PPSL2 PPSL1 PPSL0<br />

Reset 0 0 0 0 0 0 0 0<br />

Figure 2-35. Port L Polarity Select Register (PPSL)<br />

Table 2-37. PPSL Register Field Descriptions<br />

Field Description<br />

3-0<br />

PPSL<br />

Pin interrupt Polarity Select register port L —<br />

This bit selects the polarity of the active pin interrupt edge.<br />

1 Rising edge selected<br />

0 Falling edge selected<br />

84 <strong>Freescale</strong> <strong>Semiconductor</strong>

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