| 전자부품 데이터시트 검색엔진 |
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HD404849FS 데이터시트(PDF) 56 Page - Renesas Technology Corp |
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HD404849FS 데이터시트(HTML) 56 Page - Renesas Technology Corp |
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56 / 127 page ![]() HD404849 Series 54 Bit Initial value Read/Write Bit name 3 0 W MIS3 2 0 W MIS2 0 0 W MIS0 1 0 W MIS1 MIS2 CMOS buffer on/off selection for pin R23/SO Miscellaneous register (MIS: $00C) 0 1 On Off Refer to figure 18 in the operation modes section. tRC selection. MIS3 0 1 Pull-up MOS on/off selection Off On MIS1 MIS0 Figure 38 Miscellaneous Register (MIS) How to Deal with Unused I/O Pins: I/O pins that are not needed by the user system (floating) must be connected to V CC to prevent LSI malfunctions due to noise. These pins must either be pulled up to V CC by their pull-up MOS transistors or by resistors of about 100 k Ω. |
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