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In SH-2, is there anything to be aware of when I process the WDTOVF pins?

Latest Updated:03/25/2009

Question:

In SH-2, is there anything that I should be aware of when I process the WDTOVF pins?

Answer:

(1) The watchdog timer overflow signal output pin should be pulled up (or open).

(2) It should be pulled down with the resistance of 1MΩ or higher when you want to use it in pulled down.

Please note that there is a possibility of LSI malfunctions when you do not follow the above-mentioned.

Suitable Products
SH7124, SH7125
SH7146, SH7149
SH7144, SH7145
SH7083, SH7084, SH7085, SH7086
SH7047, SH7049, SH7105, SH7107, SH7109
SH7046, SH7148, SH7101, SH7048, SH7104, SH7106, SH7108
SH7040, SH7041, SH7042, SH7043, SH7044, SH7045