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SH7041A Datasheet(PDF) 661 Page - Renesas Technology Corp |
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SH7041A Datasheet(HTML) 661 Page - Renesas Technology Corp |
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661 / 923 page  623 18.3.8 Port C Control Register (PCCR) PCCR is a 16-bit read/write register that selects the functions for the sixteen port C multiplexed pins. There are instances when these register settings will be ignored, depending on the operation mode. Refer to table 18.2, Pin Arrangement by Mode, for details. PCCR is initialized to H'0000 by power-on resets but is not initialized for manual resets, reset by WDT, standby mode, or sleep mode, so the previous data is maintained. Bit: 15 14 13 12 11 10 9 8 PC15 MD PC14 MD PC13 MD PC12 MD PC11 MD PC10 MD PC9 MD PC8 MD Initial value: 0 0 0 0 0 0 0 0 R/W: R/W R/W R/W R/W R/W R/W R/W R/W Bit: 76 5 4 3 2 1 0 PC7 MD PC6 MD PC5 MD PC4 MD PC3 MD PC2 MD PC1 MD PC0 MD Initial value: 0 0 0 0 0 0 0 0 R/W: R/W R/W R/W R/W R/W R/W R/W R/W • Bit 15—PC15 Mode (PC15MD): Selects the function of the PC15/A15 pin. Bit 15: PC15MD Description 0 General input/output (PC15) (initial value) (A15 in on-chip ROM invalid mode) 1 Address output (A15) (PC15 in single chip mode) • Bit 14—PC14 Mode (PC14MD): Selects the function of the PC14/A14 pin. Bit 14: PC14MD Description 0 General input/output (PC14) (initial value) (A14 in on-chip ROM invalid mode) 1 Address output (A14) (PC14 in single chip mode) • Bit 13—PC13 Mode (PC13MD): Selects the function of the PC13/A13 pin. Bit 13: PC13MD Description 0 General input/output (PC13) (initial value) (A13 in on-chip ROM invalid mode) 1 Address output (A13) (PC13 in single chip mode) |
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