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DSP56857 Datasheet(PDF) 615 Page - Freescale Semiconductor, Inc |
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DSP56857 Datasheet(HTML) 615 Page - Freescale Semiconductor, Inc |
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615 / 662 page  Application: Date: Programmer: Sheet C 56F853/854/855/857/858 Digital Signal Controller User Manual, Rev. 4 B-113 Freescale Semiconductor Preliminary Bits Name Description 3 - 0 DD Port A Data Direction These bits control the pins direction when in GPIO mode. In the Normal mode, these bits have no effect on the output enables or pull-up enables. 0 Pin is an input; pull-ups are dependent on value of PUE registers. (default) 1 Pin is an output; pull-ups are disabled Data Direction Register (GPIOA_DDR) $1FFE60 + $1 Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Read 0 0 0 0 0 0 0 0 0 0 0 0 DD Write Reset 0 00 000 00 00 00 00 00 GPIO Port A Data Direction Register (GPIOA_DDR) GPIO denotes Reserved Bits 9 of 32 |
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