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MAC7200 Datasheet(PDF) 911 Page - Freescale Semiconductor, Inc |
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MAC7200 Datasheet(HTML) 911 Page - Freescale Semiconductor, Inc |
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911 / 976 page ![]() Functional Description MAC7200 Microcontroller Family Reference Manual, Rev. 2 Freescale Semiconductor 833 Figure 34-19. Pad in Peripheral Mode (including pad PD2) NOTE The DDR bit and PORTDATA register are not available on Port E. 34.7.3 Peripheral Pin Multiplexing Peripheral muxing is a feature intended to increase the flexibility of the chip and broaden its possible application fields by allowing the user to define some peripheral functions to be made available at more than one pin location. To this effect every pin (besides Port E) has a mode field as described in Section 34.6.1.1, “Pin Configuration Register (Port A, B, C, D, F, G).” Table 34-47 lists the possible modes. These modes are software selectable by writing the mode bits with the desired value. PINDATAxx/ PORTIR[x] DDR PULL Input Buffer Enable SYNC 1 0 Input Output PORTDATA[x] Control signals from the peripheral Output Buffer Enable Open Drain Enable Output Data from the peripheral Analog Input Data to Peripheral Digital Input Data to Peripheral Control signals from the PIM Data registers in the PIM PAD SLEWDIS SLEW |
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