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ST10F269 数据表(PDF) 83 Page - STMicroelectronics |
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ST10F269 数据表(HTML) 83 Page - STMicroelectronics |
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83 / 160 page  ST10F269 83/160 12.10 - Port 7 If this 8-bit port is used for general purpose I/O, the direction of each line can be configured via the corresponding direction register DP7. Each port line can be switched into push-pull or open drain mode via the open drain control register ODP7. P7 (FFD0h / E8h) SFR Reset Value: --00h DP7 (FFD2h / E9h) SFR Reset Value: --00h ODP7 (F1D2h / E9h) ESFR Reset Value: --00h 15 14 13 12 11 10 98 765 432 10 - - - - - - - - P7.7 P7.6 P7.5 P7.4 P7.3 P7.2 P7.1 P7.0 RW RW RW RW RW RW RW RW P7.y Port Data Register P7 Bit y 15 14 13 12 11 10 98 765 432 10 - - - - - - - - DP7.7 DP7.6 DP7.5 DP7.4 DP7.3 DP7.2 DP7.1 DP7.0 RW RW RW RW RW RW RW RW DP7.y Port Direction Register DP7 Bit y DP7.y = 0: Port line P7.y is an input (high impedance) DP7.y = 1: Port line P7.y is an output 15 14 13 12 11 10 9 8 76543 210 ----- --- ODP7.7 ODP7.6 ODP7.5 ODP7.4 ODP7.3 ODP7.2 ODP7.1 ODP7.0 RW RW RW RW RW RW RW RW ODP7.y Port 7 Open Drain Control Register Bit y ODP7.y = 0: Port line P7.y output driver in push-pull mode ODP7.y = 1: Port line P7.y output driver in open drain mode |
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