Datasheet
Section 6 Bus Controller (BSC) 
Page 170 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 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 










