m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 375

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

STOP AND WAIT MODES
15.3 Stop mode
Fig. 15.3.1 Stop mode terminate sequence owing to interrupt request occurrence
15-10
When not using watchdog timer
When using watchdog timer
Value of watchdog timer
Value of watchdog timer
Interrupt request to be
Interrupt request to be
(Interrupt request bit)
(Interrupt request bit)
used for stop mode
used for stop mode
Internal peripheral devices
Internal peripheral devices
Note: This applies when the PLL circuit operation enable bit (bit 1 at address BC
fX
Note: Time listed in Table 15.3.2. See Figure 19.1.3 for the built-in flash memory version.
i
termination
termination
: fX
These are clocks selected by the watchdog timer clock source select bits at STP termination (bits 7, 6 at address 61
16
, fX
fX
fX
f
PLL
BIU
BIU
32
IN
IN
1
1
, fX
(Note)
64
FFF
FFF
7FF
, fX
7FF
CPU
CPU
128
16
16
16
16
.
Operating
Operating
Operating
Operating
STP instru-
ction is
executed.
STP instru-
ction is
executed.
7905 Group User’s Manual Rev.1.0
Stop mode
Stop mode
Stopped
Stopped
Stopped
Stopped
Interrupt request to be used for
termination occurs.
Oscillation starts.
(When an external clock is input
PLL frequency multiplier starts its
operation.
Watchdog timer starts counting.
from pin X
Interrupt
Clock input from pin X
Watchdog timer starts counting.
request to
be used for
termination
occurs.
Operating
Stopped
(Note)
IN
, clock input starts.)
fX
Each supply of
Interrupt request which was used
for termination is accepted.
i
Operating
Stopped
2048 counts
IN
starts.
Operating
Operating
16
) = “1.”
CPU
,
Watchdog timer’s MSB = “0”
(However, watchdog timer interrupt
Each supply of
Interrupt request which was used for
termination is accepted.
request does not occur.)
BIU
starts.
CPU
Operating
Operating
,
BIU
starts.
16
.)