r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 198

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 6 Bus Controller (BSC)
6.3.8
MPXCR is used to make address/data multiplexed I/O interface settings.
Rev. 1.00 Sep. 19, 2008 Page 168 of 1342
REJ09B0467-0100
Bit
7
6 to 1 
0
Bit Name
MPXE
ADDEX
Address/Data Multiplexed I/O Control Register (MPXCR)
Initial Value
0
All 0
0
R/W
R/W
R/W
R/W
Description
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
Reserved
These bits can be read from or written to.
However, the write value should always be 0.
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