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ST10F296 データシート(PDF) 165 Page - STMicroelectronics |
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ST10F296 データシート(HTML) 165 Page - STMicroelectronics |
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165 / 346 page  Obsolete Product(s) - Obsolete Product(s) ST10F296E Parallel ports 165/346 13.10.2 Alternate functions of Port 8 All Port 8 lines (P8.7 to P8.0) support capture inputs or compare outputs (CC23IO to CC16IO) for the CAPCOM2 unit (see Table 101). See Section 13.4.2: Alternate functions of Port 2 on page 134 for the use of the port lines by the CAPCOM unit, its accessibility via software, and precautions, all of which are the same as described for Port 2 lines. The capture input function of pins P8.7 to P8.0 can be used as external interrupt inputs with a sample rate of eight CPU clock cycles. The pins of Port 8 combine internal bus data and alternate data output before the port latch input. Figure 56. Port 8 I/O and alternate functions Table 101. Port 8 alternate functions Port 8 pin Alternate function (a) Alternate function (b) P8.0 CC16IO Capture input/compare output ch. 16 - P8.1 CC17IO Capture input/compare output ch. 17 - P8.2 CC18IO Capture input/compare output ch. 18 - P8.3 CC19IO Capture input/compare output ch. 19 - P8.4 CC20IO Capture input/compare output ch. 20 - P8.5 CC21IO Capture input/compare output ch. 21 - P8.6 CC22IO Capture input/compare output ch. 22 RxD1 XASC receive data input/output P8.7 CC23IO Capture input/compare output ch. 23 TxD1 XASC transmit data output Port 8 Alternate function (a) General purpose input/output (b) XASC input/output CAPCOM2 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 - - - - - - - - TxD1 RxD1 - - - - - - - - - - - - - - Obsolete Product(s) - Obsolete Product(s) |
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