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MMC2107 - Freescale Semiconductor

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Edge Port Module (EPORT)<br />

<strong>Freescale</strong> <strong>Semiconductor</strong>, Inc.<br />

12.5.2 Registers<br />

The EPORT programming model consists of these registers:<br />

nc...<br />

<strong>Freescale</strong> <strong>Semiconductor</strong>, I<br />

12.5.2.1 EPORT Pin Assignment Register<br />

• The EPORT pin assignment register (EPPAR) controls the<br />

function of each pin individually.<br />

• The EPORT data direction register (EPDDR) controls the direction<br />

of each one of the pins individually.<br />

• The EPORT interrupt enable register (EPIER) enables interrupt<br />

requests for each pin individually.<br />

• The EPORT data register (EPDR) holds the data to be driven to<br />

the pins.<br />

• The EPORT pin data register (EPPDR) reflects the current state<br />

of the pins.<br />

• The EPORT flag register (EPFR) individually latches EPORT<br />

edge events.<br />

Address: 0x00c6_0000 and 0x00c6_0001<br />

Read:<br />

Write:<br />

Bit 15 14 13 12 11 10 9 Bit 8<br />

EPPA7 EPPA6 EPPA5 EPPA4<br />

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

Read:<br />

Write:<br />

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

EPPA3 EPPA2 EPPA1 EPPA0<br />

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

Figure 12-2. EPORT Pin Assignment Register (EPPAR)<br />

Technical Data <strong>MMC2107</strong> – Rev. 2.0<br />

264 Edge Port Module (EPORT) MOTOROLA<br />

For More Information On This Product,<br />

Go to: www.freescale.com

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