Datasheet

Section 6 Bus Controller (BSC)
Page 172 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
6.3.8 Address/Data Multiplexed I/O Control Register (MPXCR)
MPXCR is used to make address/data multiplexed I/O interface settings.
Bit Bit Name Initial Value R/W Description
7 MPXE 0 R/W Address/Data Multiplexed I/O Interface Enable
These bits select the bus interface for areas 6 and
7.
0: Basic bus interface
1: Address/data multiplexed I/O interface
6 to 1 ⎯ All 0 R/W Reserved
These bits can be read from or written to.
However, the write value should always be 0.
0 ADDEX 0 R/W Address Output Cycle Extension
Specifies whether a wait cycle is inserted for the
address output cycle of the address/data
multiplexed I/O interface.
0: No wait cycle inserted
1: One wait cycle inserted