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H8/3021 Datasheet(PDF) 181 Page - Renesas Technology Corp |
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H8/3021 Datasheet(HTML) 181 Page - Renesas Technology Corp |
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181 / 712 page  7. I/O Ports Rev.2.00 Mar. 22, 2007 Page 157 of 684 REJ09B0352-0200 7.7 Port 7 7.7.1 Overview Port 7 is an 8-bit input port that is also used for analog input to the A/D converter. The pin functions are the same in all operating modes. Figure 7.19 shows the pin configuration of port 7. Port 7 P7 (input)/AN (input) P7 (input)/AN (input) P7 (input)/AN (input) P7 (input)/AN (input) P7 (input)/AN (input) P7 (input)/AN (input) P7 (input)/AN (input) P7 (input)/AN (input) 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Port 7 pins Figure 7.19 Port 7 Pin Configuration 7.7.2 Register Description Table 7.10 summarizes the port 7 register. Port 7 is an input-only port, so it has no data direction register. Table 7.10 Port 7 Data Register Address* Name Abbreviation R/W Initial Value H'FFCE Port 7 data register P7DR R Undetermined Note: * Lower 16 bits of the address. |
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