M306H2MC-XXXFP Datasheet, PDF (63/210 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306H2MC-XXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA ACQUISITION CONTROLLER
Watchdog timer control register
b7 b6 b5 b4 b3 b2 b1 b0
00
Symbol
WDC
Address
000F16
Bit symbol
Bit name
High-order bit of watchdog timer
Reserved bit
Reserved bit
WDC7
Prescaler select bit
When reset
000XXXXX2
Function
Must always be set to “0”
Must always be set to “0”
0 : Divided by 16
1 : Divided by 128
RW
Watchdog timer start register
b7
b0
Symbol
WDTS
Address
000E16
When reset
Indeterminate
Function
RW
The watchdog timer is initialized and starts counting after a write instruction to
this register. The watchdog timer value is always initialized to “7FFF16”
regardless of whatever value is written.
Figure 2.8.2 Watchdog timer control and start registers
Rev. 1.0
62