D12320VF25V Datasheet, PDF(450/1146 Page) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

D12320VF25V Datasheet, PDF (450/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

◁

Section 11 Watchdog Timer

11.1.2 Block Diagram

Figure 11.1 shows a block diagram of the WDT.

WOVI

(interrupt request

signal)

WDTOVF*1

Internal reset signal*2

Interrupt

control

Reset

control

Overflow

Clock

Clock

select

Ï/2

Ï/64

Ï/128

Ï/512

Ï/2048

Ï/8192

Ï/32768

Ï/131072

Internal clock

sources

RSTCSR

TCNT

TSCR

Module bus

Bus

interface

WDT

Legend:

TCSR: Timer control/status register

TCNT: Timer counter

RSTCSR: Reset control/status register

Notes: 1. The WDTOVF output function is not available in the F-ZTAT versions.

2. Internal reset signal generation is specified by means of a register setting.

Figure 11.1 Block Diagram of WDT

Rev.7.00 Feb. 14, 2007 page 416 of 1108

REJ09B0089-0700

▷