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TMP93CS41 データシート(PDF) 86 Page - Toshiba Semiconductor |
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TMP93CS41 データシート(HTML) 86 Page - Toshiba Semiconductor |
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86 / 248 page ![]() TMP93CS40/TMP93CS41 2004-02-10 93CS40-84 3.5.11 Port A (PA0 to PA7) Port A is an 8-bit general-purpose I/O port. I/Os can be set on a bit basis by control register PACR. Resetting sets port A to an input port by resetting PACR. It also sets all bits of the output latch register to “1”. In addition to functioning as a general-purpose I/O port (Only PA7), PA7 can also function as an internal clock output pin. The output clock is fFPH or fSYS that is selected as oscillator output clock. It is selected by CKOCR<SCOSEL>. The SCOUT function is enabled by setting PACR<PA7C> and CKOCR<SCOEN>. Figure 3.5.27 Port A0 to A6 Reset S Output latch PA0 to PA6 PA write PA read R Direction control (on bit basis) PACR write Selector A B S |
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