h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 654

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 18B Host Interface LPC Interface (LPC)
STR3 Bit 5—Master Write Mode Flag (MWMF): Set to 1 when the host processor writes to
TWR0. MWMF is cleared to 0 when the slave processor reads TWR15.
Bit 5
MWMF
0
1
STR3 Bit 4—Slave Write Mode Flag (SWMF): Set to 1 when the slave processor writes to
TWR0. In the event of simultaneous writes by the master and the slave, the master write has
priority. SWMF is cleared to 0 when the host reads TWR15.
Bit 4
SWMF
0
1
18B.2.9 SERIRQ Control Registers (SIRQCR0, SIRQCR1)
Bit
Initial value
Slave Read/Write
Host Read/Write
Rev. 3.00 Jan 18, 2006 page 626 of 1044
REJ09B0280-0300
SIRQCR0
Description
[Clearing condition]
When the slave processor reads TWR15
[Setting condition]
When the host processor writes to TWR0 using I/O write cycle when SWMF =
0
Description
[Clearing condition]
When the host processor reads TWR15 using I/O read cycle, or the slave
processor writes 0 in the SWMF bit
[Setting condition]
When the slave processor writes to TWR0 when MWMF = 0
Q/C
—
R
7
0
R/W
—
—
6
0
IEDIR
R/W
—
5
0
SMIE3B SMIE3A
R/W
—
4
0
R/W
—
3
0
SMIE2 IRQ12E1 IRQ1E1
R/W
—
2
0
R/W
—
1
0
(Initial value)
(Initial value)
R/W
—
0
0