M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 444

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

Watchdog Timer
Figure 2.11.4. Set-up procedure of watchdog timer
Setting watchdog timer control register
Setting watchdog timer start register
Software reset
b7
b7
b7
0 0
1
b0
b0
b0
Software reset bit
Reserved bit
Prescaler select bit
The watchdog timer is initialized and starts counting with a write instruction to
this register. The watchdog timer value is always initialized to “7FFF
regardless of the value written.
Watchdog timer control register [Address 000F
WDC
Watchdog timer start register [Address 000E
WDTS
Processor mode register 0 [Address 0004
PM0
The device is reset when this bit is set to “1”. The value of this bit
is “0” when read.
Must always be “0”
0 : Divided by 16
1 : Divided by 128
Generating watchdog
timer interrupt
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
]
16
]
16
]
Mitsubishi microcomputers
M16C / 62 Group
16
”
429