Renesas H8S/2100 Series Hardware Manual page 617

Initial
Bit Bit Name Value
6 CLKREQ 0
5 IRQBSY 0
R/W
Slave Host Description

R LCLK Request
Indicates that the LPC interface's SERIRQ output is
requesting a restart of LCLK.
0: No LCLK restart request
[Clearing conditions]
•
LPC hardware reset or LPC software reset
•
LPC hardware shutdown or LPC software
shutdown
•
There are no further interrupts for transfer to the
host in quiet mode in which SERIRQ is set to
continuous mode
1: LCLK restart request issued
[Setting condition]
In quiet mode, SERIRQ interrupt output becomes
necessary while LCLK is stopped

R SERIRQ Busy
Indicates that the LPC interface's SERIRQ is engaged
in transfer processing.
0: SERIRQ transfer frame wait state
[Clearing conditions]
•
LPC hardware reset or LPC software reset
•
LPC hardware shutdown or LPC software
shutdown
•
End of SERIRQ transfer frame
1: SERIRQ transfer processing in progress
[Setting condition]
Start of SERIRQ transfer frame
Section 20 LPC Interface (LPC)
Rev. 1.00 May 09, 2008 Page 591 of 954
REJ09B0462-0100