M16CSLASH62 datasheet(472/615 Pages) RENESAS

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Watchdog Timer

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-155

Figure 2.11.1. Memory map of watchdog timer-related registers

Figure 2.11.2. Watchdog timer-related registers

(6) Registers related to the watchdog timer

Figure 2.11.1 shows the memory map of watchdog timer-related registers, and Figure 2.11.2 shows

watchdog timer-related registers.

Watchdog timer control register

Symbol

Address

When reset

WDC

000F16

000XXXXX2

Function

Bit symbol

High-order bit of watchdog timer

WDC7

Bit name

Prescaler select bit

0 : Divided by 16

1 : Divided by 128

Watchdog timer start register

Symbol

Address

When reset

WDTS

000E16

Indeterminate

Function

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.

Reserved bit

Must always be set to “0”

000E16

000F16

Watchdog timer start register (WDTS)

Watchdog timer control register (WDC)

M16C/62 데이터시트(PDF) 472 Page - Renesas Technology Corp

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