Hardware manual

Microcomputer Technical Q&A
102
Q&A No.: QAH8S-227
Category: SCI
Subject: Initial State of TxD Pin
Question
What happens to the initial value of the TxD pin when the TE bit is set to 1 in the serial control
register (SCR) in serial transmission?
Answer
When the TE bit is set to 1, the TxD pin goes high automatically in both asynchronous mode and
synchronous mode.
Applicable Products
Applicability Series Applicability Series Applicability Series
Yes Entire H8S Series H8S/2655 H8S/2350
H8S/2355 H8S/2357 H8S/2345
H8S/2245 H8S/2148 H8S/2144
H8S/2138 H8S/2134 H8S/2128
H8S/2124 — — — —