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H8S/2214 Scheda tecnica(PDF) 382 Page - Renesas Technology Corp |
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H8S/2214 Scheda tecnica(HTML) 382 Page - Renesas Technology Corp |
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382 / 936 page ![]() Section 9 I/O Ports Rev.4.00 Sep. 18, 2008 Page 322 of 872 REJ09B0189-0400 9.8 Port B 9.8.1 Overview Port B is an 8-bit I/O port. Port B pins also function as address bus outputs. The pin functions depend on the operating mode. Port B has an on-chip MOS input pull-up function that can be controlled by software. Figure 9.7 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 /A15 (output) /A14 (output) /A13 (output) /A12 (output) /A11 (output) /A10 (output) /A9 (output) /A8 (output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) (input/output) Port B pins Pin functions in modes 4 to 6 Pin functions in mode 7 PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 Port B Figure 9.7 Port B Pin Functions |
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