SH7615 Datasheet, PDF(595/925 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7600 Series

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SH7615 Datasheet, PDF (595/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7600 Series

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WTCNT value

H'FF

Overflow

H'00

WT/IT = 1 H'00 written

TME = 1 in WTCNT

Time

WOVF = 1 WT/IT = 1 H'00 written

TME = 1 in WTCNT

WDTOVF and

internal reset generated

WDTOVF

signal

Internal

reset

signal*

512 Ï clocks

2048 Ï clocks

WT/IT: Timer mode select bit

TME: Timer enable bit

Note: * Internal reset signal is generated only when the RSTE bit is set to 1.

Figure 13.4 Operation in Watchdog Timer Mode

Rev. 2.00, 03/05, page 557 of 884

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