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Download Microcontrollers 8-Bit Single-Chip Microcontroller
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XC864 Parallel Ports P0_PUDEN Port 0 Pull-Up/Pull-Down Enable Register 7 6 Reset Value: 04H 5 4 3 2 1 0 0 P5 P4 P3 P2 P1 P0 r rw rw rw rw rw rw Field Bits Type Description Pn (n = 0 – 5) n rw Pull-Up/Pull-Down Enable at Port 0 Bit n 0 Pull-up or Pull-down device is disabled. 1 Pull-up or Pull-down device is enabled (default). 0 [7:6] r Reserved Returns 0 if read; should be written with 0. P0_ALTSELn (n = 0 – 1) Port 0 Alternate Select Register 7 6 Reset Value: 00H 5 4 3 2 1 0 0 P5 P4 P3 P2 P1 P0 r rw rw rw rw rw rw Field Bits Type Description Pn (n = 0 - 5) n rw Pin Output Functions Configuration of Px_ALTSEL0.Pn and Px_ALTSEL1.Pn for GPIO or alternate settings: 00 Normal GPIO 10 Alternate Select 1 01 Alternate Select 2 11 Alternate Select 3 0 [7:6] r Reserved Returns 0 if read; should be written with 0. User’s Manual Parallel Ports, V 1.0 6-18 V1.0, 2008-06
