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ST10F269Z1Q6 Fiches technique(PDF) 91 Page - STMicroelectronics |
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ST10F269Z1Q6 Fiches technique(HTML) 91 Page - STMicroelectronics |
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91 / 184 page ![]() ST10F269 12 - PARALLEL PORTS 91/184 12.11.1 - Alternate Functions of Port 8 The 8 lines of Port 8 serve as capture inputs or as compare outputs (CC23IO...CC16IO) for the CAPCOM2 unit. The usage of the port lines by the CAPCOM unit, its accessibility via software and the precautions are the same as described for the Port 2 lines. As all other capture inputs, the capture input function of pins P8.7...P8.0 can also be used as external interrupt inputs (200ns sample rate at 40MHz CPU clock on PQFP144 devices and 250ns sample rate at 32MHz CPU clock on TQFP144 devices). The Table 25 summarizes the alternate functions of Port 8. Table 25 : Port 8 Alternate Functions Port 7 Alternate Function P8.0 P8.1 P8.2 P8.3 P8.4 P8.5 P8.6 P8.7 CC16IO Capture input / compare output channel 16 CC17IO Capture input / compare output channel 17 CC18IO Capture input / compare output channel 18 CC19IO Capture input / compare output channel 19 CC20IO Capture input / compare output channel 20 CC21IO Capture input / compare output channel 21 CC22IO Capture input / compare output channel 22 CC23IO Capture input / compare output channel 23 Figure 42 : Port 8 I/O and Alternate Functions Port 8 Alternate Function General Purpose Input / Output P8.7 P8.6 P8.5 P8.4 P8.3 P8.2 P8.1 P8.0 CC23IO CC22IO CC21IO CC20IO CC19IO CC18IO CC17IO CC16IO |
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