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SH7708 датащи(PDF) 604 Page - Renesas Technology Corp |
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SH7708 датащи(HTML) 604 Page - Renesas Technology Corp |
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604 / 633 page ![]() 586 Table A.11 Pin States (Pseudo-SRAM/Little-Endian) 16-Bit Bus Width Pin Byte Access (Address 2n) Byte Access (Address 2n + 1) Word/Longword Access CS6 to CS0 Enabled Enabled Enabled RD R High High High W High High High RD/ WR R High High High W Low Low Low BS Enabled Enabled Enabled RAS/CE Low Low Low CAS/CASLL/OE Low Low Low CASLH High High High CASHL/CAS2L High High High CASHH/CAS2H High High High DQMLL/ WE0 R High High High W Low High Low DQMLU/ WE1 R High High High W High Low Low DQMUL/ WE2/ICIORD R High High High W High High High DQMUU/ WE3/ICIOWR R High High High W High High High MD3/ CE2A 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 MD5/ RAS2 High-Z High-Z High-Z CKE Disabled Disabled Disabled WAIT Disabled Disabled Disabled IOIS16 Disabled Disabled Disabled A25 to A0 Address Address Address D7 to D0 Valid data Invalid data Valid data D15 to D8 Invalid data Valid data Valid data D23 to D16/ PORT7 to PORT0 High-Z*3 High-Z*3 High-Z*3 D31 to D24 High-Z*4 High-Z*4 High-Z*4 |
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