h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 592

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Host Interface LPC Interface (LPC)
Bit
6
5
Rev. 3.00 Mar 21, 2006 page 538 of 788
REJ09B0300-0300
Bit Name Initial Value Slave Host Description
CLKREQ 0
IRQBSY
0
R
R
R/W
—
—
LCLK Request
Indicates that the host interface’s SERIRQ output is
requesting a restart of LCLK.
0: No LCLK restart request
[Clearing conditions]
1: LCLK restart request issued
[Setting condition]
In quiet mode, SERIRQ interrupt output becomes
necessary while LCLK is stopped
SERIRQ Busy
Indicates that the host interface’s SERIRQ signal is
engaged in transfer processing.
0: SERIRQ transfer frame wait state
[Clearing conditions]
1: SERIRQ transfer processing in progress
[Setting condition]
Start of SERIRQ transfer frame
LPC hardware reset or LPC software reset
LPC hardware shutdown or LPC software
shutdown
SERIRQ is set to continuous mode
There are no further interrupts for transfer to the
host in quiet mode
LPC hardware reset or LPC software reset
LPC hardware shutdown or LPC software
shutdown
End of SERIRQ transfer frame