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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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H8S2245 데이터시트(PDF) 289 Page - Renesas Technology Corp |
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H8S2245 데이터시트(HTML) 289 Page - Renesas Technology Corp |
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289 / 818 page  Section 8 I/O Ports Rev.3.00 Mar. 26, 2007 Page 247 of 772 REJ09B0355-0300 8.8 Port B 8.8.1 Overview Port B is an 8-bit I/O port. Port B has an address bus output function, and the pin functions change according to the operating mode. Port B has a built-in MOS input pull-up function that can be controlled by software. Figure 8.10 shows the port B pin configuration. PB7/A15 PB6/A14 PB5/A13 PB4/A12 PB3/A11 PB2/A10 PB1/A9 PB0/A8 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 Note: * Modes 2, 3, 6, and 7 cannot be used in the H8S/2240. (input)/ (input)/ (input)/ (input)/ (input)/ (input)/ (input)/ (input)/ A15 A14 A13 A12 A11 A10 A9 A8 (output) (output) (output) (output) (output) (output) (output) (output) Port B pins Pin functions in modes 2 and 6* Pin functions in modes 3 and 7* A15 A14 A13 A12 A11 A10 A9 A8 (output) (output) (output) (output) (output) (output) (output) (output) Pin functions in modes 1, 4, and 5 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 (I/O) (I/O) (I/O) (I/O) (I/O) (I/O) (I/O) (I/O) Port B Figure 8.10 Port B Pin Functions |
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