To write the TCNT register, hex 5A should be in the top byte. If the user was refreshing the watchdog timer they would put hex 5A in the top byte and hex 00 in the lower byte. To instead write the TCSR register, hex A5 should be in the top byte.
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To write the TCNT register, hex 5A should be in the top byte. If the user was refreshing the watchdog timer they would put hex 5A in the top byte and hex 00 in the lower byte. To instead write the TCSR register, hex A5 should be in the top byte.
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