h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 148

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 7 Bus Controller (BSC)
7.3.5
BCRL selects the write data buffer function and enables or disables input to the WAIT pin.
Rev. 2.00 Dec. 05, 2005 Page 110 of 724
REJ09B0200-0200
Bit
7
6
5
4
3
2
1
0
Bit Name






WDBE
WAITE
Bus Control Register L (BCRL)
Initial
Value
0
0
0
0
1
0
0
0
R/W
R/W
R/W

R/W
R/W
R/W
R/W
R/W
Description
Reserved
The write value should always be 0.
Reserved
This bit is always read as 0 and cannot be modified.
Reserved
The write value should always be 0.
Reserved
The write value should always be 1.
Reserved
The write value should always be 0.
Write Data Buffer Enable
Selects the write data buffer function for an external
write cycle.
0: Write data buffer function not used
1: Write data buffer function used
WAIT Pin Enable
Enables or disables wait signal input through the WAIT
pin.
0: Wait input through WAIT pin disabled
1: Wait input through WAIT pin enabled
WAIT pin can be used as I/O port