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H8S2245 датащи(PDF) 270 Page - Renesas Technology Corp |
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H8S2245 датащи(HTML) 270 Page - Renesas Technology Corp |
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270 / 818 page ![]() Section 8 I/O Ports Rev.3.00 Mar. 26, 2007 Page 228 of 772 REJ09B0355-0300 Pin Selection Method and Pin Functions P2 4/TMRI1 This pin is used as the 8-bit timer counter reset pin when bits CCLR1 and CCLR0 in TCR1 are both set to 1. The pin function is switched as shown below according to the combination of bit P24DDR. P24DDR 0 1 Pin function P2 4 input P2 4 output TMRI1 input P2 3/TMCI0 This pin is used as the 8-bit timer external clock input pin when external clock is selected with bits CKS2 to CKS0 in TCR0. The pin function is switched as shown below according to the combination of bit P23DDR. P23DDR 0 1 Pin function P2 3 input P2 3 output TMCI0 input P2 2/TMRI0 This pin is used as the 8-bit timer counter reset pin when bits CCLR1 and CCLR0 in TCR0 are both set to 1. The pin function is switched as shown below according to the combination of bit P22DDR. P22DDR 0 1 Pin function P2 2 input P2 2 output TMRI0 input P2 1 The pin function is switched as shown below according to the combination of bit P21DDR. P21DDR 0 1 Pin function P2 1 input P2 1 output P2 0 The pin function is switched as shown below according to the combination of bit P20DDR. P20DDR 0 1 Pin function P2 0 input P2 0 output |
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