m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 410

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

Fig. 19.1.3 Stop mode terminate sequence owing to interrupt request occurrence
Value of the watchdog timer
When using the watchdog timer
When not using the watchdog timer
Interrupt request to be
(Interrupt request bit)
Value of watchdog timer
used for stop mode
Interrupt request to be
(Interrupt request bit)
used for stop mode
Internal peripheral device
Internal peripheral device
Note: This applies when the PLL circuit operation enable bit (bit 1 at address BC
fX
termination
i
: fX
There are clocks selected by the watchdog timer clock source bits at STP termination (bits 6, 7 at address 61
termination
16
fX
, fX
fX
f
PLL
BIU
IN
BIU
IN
1
1
32
(Note)
, fX
7FF
CPU
FFF
7FF
CPU
FFF
64,
16
16
16
16
fX
128
Operating
Operating
Operating
Operating
7905 Group User’s Manual Rev.1.0
STP
instruction
is executed.
instruction
is executed.
STP
Stop mode
Stop mode
Stopped
Stopped
Stopped
Stopped
(When an external clock is input
termination occurs.
operation.
Interrupt request
Clock input from pin X
Watchdog timer starts counting.
Interrupt request to be used for
termination occurs.
Oscillation stars.
PLL frequency multiplier starts its
Watchdog timer starts counting.
to be used for
from pin X
FLASH MEMORY VERSION
10 s (Max.)
Operating
IN
Stopped
, clock input starts.)
fX
Each supply of
Interrupt request which was used
for termination is accepted.
i
Operating
IN
Stopped
2048 counts
starts.
Operating
Operating
16
) = “1.”
termination is accepted.
Watchdog timer's MSB = “0”
Each supply of
Interrupt request which was used for
(However, watchdog timer interrupt
request dose not occur.)
CPU, BIU
starts.
CPU, BIU
19.1 Overview
Operate
Operate
starts.
16
)
19-7