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SC312XDP512F0MPVR датащи(PDF) 995 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 995 Page - Freescale Semiconductor, Inc |
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995 / 1348 page ![]() 24.0.5.8 S12X_EBI Ports Reduced Drive Register (RDRIV) Read: Anytime. Write: Anytime. This register is used to select reduced drive for the pins associated with ports A, B, E, and K. If enabled, the pins drive at about 1/6 of the full drive strength. The reduced drive function is independent of which function is being used on a particular pin. The reduced drive functionality does not take effect on the pins in emulation modes. 76543210 R RDPK 00 RDPE RDPD1 1. Register implemented, function disabled: Written values can be read back. RDPC1 RDPB RDPA W Reset 00000000 = Unimplemented or Reserved Figure 24-10. S12X_EBI Ports Reduced Drive Register (RDRIV) Table 24-11. RDRIV Field Descriptions Field Description 7 RDPK Reduced Drive of Port K 0 All port K output pins have full drive enabled. 1 All port K output pins have reduced drive enabled. 4 RDPE Reduced Drive of Port E 0 All port E output pins have full drive enabled. 1 All port E output pins have reduced drive enabled. 1 RDPB Reduced Drive of Port B 0 All port B output pins have full drive enabled. 1 All port B output pins have reduced drive enabled. 0 RDPA Reduced Drive of Ports A 0 All Port A output pins have full drive enabled. 1 All port A output pins have reduced drive enabled. |
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