Table 22.14 Method Of Stopping Clock Per Operating Mode - Hitachi SH7751 Hardware Manual

Table 22.14 Method of Stopping Clock per Operating Mode

Clock Normal
operating operation/
status sleep
Deep sleep
Standby
Transition/ Deep sleep
Recovery
SH (Other
than PCIC)
BCLK Normal
operation
PCLK Normal
operation
PCICLK Not used
BCLK Stopped
PCLK Normal
operation
PCICLK Not used
BCLK Stopped
PCLK Stopped
PCICLK Not used
Transition Sleep
command
Recovery Not used
1
Recovery NMI, IRL,
2 and
RESET
on-chip
peripheral
interrupt
Master
PCICLK BCLK
Operation Operation
Normal Normal
operation operation
Normal Normal
operation operation
Normal Not used
operation
Stopped Stopped
Normal Normal
operation operation
Normal Not used
operation
Stopped Stopped
Stopped Stopped
Stopped Not used
BCLK BCLK and
stopped PCICLK
from SH stopped from
SH
PME PME interrupt
interrupt (connected to
(connected IRL) + BCLK
to IRL) + and PCICLK
BCLK restarted from
restarted SH
from SH
NMI, IRL, NMI, IRL,
RESET + RESET +
BCLK BCLK and
restarted PCICLK
from SH restarted from
SH
Rev. 3.0, 04/02, page 925 of 1064
PCIC
Slave
PCICLK
Operation
Normal
operation
Normal
operation
Normal
operation
Stopped
Normal
operation
Normal
operation
Stopped
Stopped
Stopped
PCI command
+ interrupt

(PCIC SH) +
BCLK restarted
from SH
PCI command
+ interrupt

(PCIC SH) +
BCLK restarted
from SH
NMI, IRL,
RESET +
BCLK restarted
from SH + wait
for PCI
command
(recovery)