h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 15

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

B.3 Function
Item
942
959
Page
WSCR H'FFC7 Bus Controller
Figure amended
Bit
Initial value
Read/Write
STR1, 2 H'FFF6, H'FFFE HIF
Figure amended
Input data register full
Revision (See Manual for Details)
0
1
[Clearing condition]
When the slave processor reads IDR
[Setting condition]
When the host processor writes to IDR
Bit
Initial value
Slave R/W
Host R/W
Output data register full
0
1
RAMS
Reserved
Note: Always write 0
R/W
7
0
[Clearing condition]
When the host processor
reads ODR or the slave
writes 0 in the OBF bit
[Setting condition]
When the slave processor
writes to ODR
when writing to
these bits in
the A-mask
version.
IBF
RAM0
R
R
R/W
1
0
6
0
R/(W)
OBF
R
0
0
Rev. 4.00 Jun 06, 2006 page xv of liv