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SH7041A датащи(PDF) 79 Page - Renesas Technology Corp |
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SH7041A датащи(HTML) 79 Page - Renesas Technology Corp |
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79 / 923 page ![]() 41 Table 1.7 Pin Functions (cont) Classification Symbol I/O Name Function I/O ports POE0– POE3 I Port output enable Input pin for port pin drive control when general use ports are established as output. PA0– PA15 (QFP-112) PA0– PA23 (QFP-144) I/O General purpose port General purpose input/output port pins. Each bit can be designated for input/output. PB0–PB9 I/O General purpose port General purpose input/output port pins. Each bit can be designated for input/output. PC0– PC15 I/O General purpose port General purpose input/output port pins. Each bit can be designated for input/output. PD0– PD15 (QFP-112) PD0– PD31 (QFP-144) I/O General purpose port General purpose input/output port pins. Each bit can be designated for input/output. PE0– PE15 I/O General purpose port General purpose input/output port pins. Each bit can be designated for input/output. PF0–PF7 I General purpose port General purpose input port pins. Usage Notes 1. Unused input pins should be pulled up or pulled down. 2. The WDTOVF pin should not be pulled down in the SH7044/SH7045 F-ZTAT version. However, if it is necessary to pull this pin down, a resistance of 100 k Ω or higher should be used. |
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