| 전자부품 데이터시트 검색엔진 |
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SH7708 데이터시트(PDF) 580 Page - Renesas Technology Corp |
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SH7708 데이터시트(HTML) 580 Page - Renesas Technology Corp |
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580 / 633 page ![]() 562 A.4 Pin States in Access to Each Address Space Table A.3 Pin States (Normal Memory/Little-Endian) 8-Bit Bus Width 16-Bit Bus Width Pin Byte/Word/Long- word Access Byte Access (Address 2n) Byte Access (Address 2n + 1) Word/Longword Access CS6 to CS0 Enabled Enabled Enabled Enabled RD R Low Low Low Low W High High High High RD/ WR R High High High High W Low Low Low Low BS Enabled Enabled Enabled Enabled RAS/CE High High High High CAS/CASLL/OE High High High High CASLH High High High High CASHL/CAS2L High High High High CASHH/CAS2H High High High High DQMLL/ WE0 R High High High High W Low Low High Low DQMLU/ WE1 R High High High High W High High Low Low DQMUL/ WE2/ICIORD R High High High High W High High High High DQMUU/ WE3/ICIOWR R High High High High W High High High High MD3/ CE2A High-Z or high*1 High-Z or high*1 High-Z or high*1 High-Z or high*1 MD4/ CE2B High-Z or high*2 High-Z or high*2 High-Z or high*2 High-Z or high*2 MD5/ RAS2 High-Z or high*3 High-Z or high*3 High-Z or high*3 High-Z or high*3 CKE Disabled Disabled Disabled Disabled WAIT Enabled*4 Enabled*4 Enabled*4 Enabled*4 IOIS16 Disabled Disabled Disabled Disabled A25 to A0 Address Address Address Address D7 to D0 Valid data Valid data Invalid data Valid data D15 to D8 High-Z Invalid data Valid data Valid data D23 to D16/ PORT7 to PORT0 High-Z*5 High-Z*5 High-Z*5 High-Z*5 D31 to D24 High-Z*6 High-Z*6 High-Z*6 High-Z*6 |
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