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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST10F269Z2QX датащи(PDF) 69 Page - STMicroelectronics |
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ST10F269Z2QX датащи(HTML) 69 Page - STMicroelectronics |
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69 / 161 page  ST10F269Z2Qx 69/161 12.6 - Port 3 If this 15-bit port is used for general purpose I/O, the direction of each line can be configured by the corresponding direction register DP3. Most port lines can be switched into push-pull or open drain mode by the open drain control register ODP2 (pins P3.15, P3.14 and P3.12 do not support open drain mode). Due to pin limitations register bit P3.14 is not connected to an output pin. P3 (FFC4h / E2h) SFR Reset Value: 0000h DP3 (FFC6h / E3h) SFR Reset Value: 0000h ODP3 (F1C6h / E3h) ESFR Reset Value: 0000h 15 14 13 12 11 10 9 876 54 321 0 P3.15 - P3.13 P3.12 P3.11 P3.10 P3.9 P3.8 P3.7 P3.6 P3.5 P3.4 P3.3 P3.2 P3.1 P3.0 RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW P3.y Port Data Register P3 Bit y 15 14 13 12 11 10 9 876 54 321 0 DP3 .15 - DP3 .13 DP3 .12 DP3 .11 DP3 .10 DP3 .9 DP3 .8 DP3 .7 DP3 .6 DP3 .5 DP3 .4 DP3 .3 DP3 .2 DP3 .1 DP3 .0 RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW DP3.y Port Direction Register DP3 Bit y DP3.y = 0: Port line P3.y is an input (high-impedance) DP3.y = 1: Port line P3.y is an output 15 14 13 12 11 10 9 876 54 321 0 - - ODP3 .13 - ODP3 .11 ODP3 .10 ODP3 .9 ODP3 .8 ODP3 .7 ODP3 .6 ODP3 .5 ODP3 .4 ODP3 .3 ODP3 .2 ODP3 .1 ODP3 .0 RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW ODP3.y Port 3 Open Drain Control Register Bit y ODP3.y = 0: Port line P3.y output driver in push-pull mode ODP3.y = 1: Port line P3.y output driver in open drain mode |
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