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HD6432351 데이터시트(PDF) 409 Page - Renesas Technology Corp |
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HD6432351 데이터시트(HTML) 409 Page - Renesas Technology Corp |
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409 / 1025 page ![]() Section 9 I/O Ports Rev. 3.00 Sep 15, 2006 page 375 of 988 REJ09B0330-0300 9.9 Port B 9.9.1 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. However, in the H8S/2350, port B pins function only as address outputs. Port B has a built-in MOS input pull-up function that can be controlled by software (H8S/2351 only). Figure 9.11 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 only apply to the H8S/2351. (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 9.11 Port B Pin Functions |
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