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H8SX1663 数据表(PDF) 207 Page - Renesas Technology Corp |
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H8SX1663 数据表(HTML) 207 Page - Renesas Technology Corp |
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207 / 1158 page ![]() Section 6 Bus Controller (BSC) Rev.1.00 Jun. 07, 2006 Page 155 of 1102 REJ09B0294-0100 6.2.12 Address/Data Multiplexed I/O Control Register (MPXCR) MPXCR specifies the address/data multiplexed I/O interface. Bit Bit Name Initial Value R/W 15 MPXE7 0 R/W 14 MPXE6 0 R/W 13 MPXE5 0 R/W 12 MPXE4 0 R/W 11 MPXE3 0 R/W 10 0 R 9 0 R 8 0 R Bit Bit Name Initial Value R/W 7 0 R 6 0 R 5 0 R 4 0 R 3 0 R 2 0 R 1 0 R 0 ADDEX 0 R/W Bit Bit Name Initial Value R/W Description 15 14 13 12 11 MPXE7 MPXE6 MPXE5 MPXE4 MPXE3 0 0 0 0 0 R/W R/W R/W R/W R/W Address/Data Multiplexed I/O Interface Select Specifies the bus interface for the corresponding area. To set this bit to 1, clear the BCSELn bit in SRAMCR to 0. 0: Area n is specified as a basic interface or a byte control SRAM interface. 1: Area n is specified as an address/data multiplexed I/O interface (n = 7 to 3) 10 to 1 All 0 R Reserved These are read-only bits and cannot be modified. 0 ADDEX 0 R/W Address Output Cycle Extension Specifies whether a wait cycle is inserted for the address output cycle of address/data multiplexed I/O interface. 0: No wait cycle is inserted for the address output cycle 1: One wait cycle is inserted for the address output cycle |
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