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M32C/8B 数据表(PDF) 311 Page - Renesas Technology Corp |
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M32C/8B 数据表(HTML) 311 Page - Renesas Technology Corp |
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311 / 406 page ![]() Under development M32C/8B Group 22. Programmable I/O Ports Preliminary specification Specifications in this manual are tentative and subject to change. REJ09B0450-0050 Rev.0.50 Oct 31, 2008 Page 294 of 385 Figure 22.15 PUR4 Register b7 b6 b5 b4 b1 b2 b3 Symbol PUR4 Address 03DCh After Reset XXXX 0000b b0 Function Bit Symbol Bit Name RW P15_4 to P15_7 pull-up − RW − (b7-b4) PU43 Pull-Up Control Register 4(1) Unimplemented. Write 0. Read as undefined value. P14_4 to P14_6 pull-up PU41 RW P15_0 to P15_3 pull-up RW PU42 Pull-up setting for the corresponding ports 0: Not pulled up 1: Pulled up P14_0 to P14_3 pull-up PU40 RW NOTE: 1. Set the PUR4 register to 00h in the 100-pin package. |
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