Hardware manual

Microcomputer Technical Q&A
43
Q&A No.: QAH8S-036
Category: Bus Controller
Subject: BREQ Acceptance in Power-Down Modes
Questions
1. Is BREQ accepted in sleep mode?
2. Is BREQ accepted in hardware standby mode or software standby mode?
Answers
1. Yes. (However, in the H8S/2245 Series, H8S/2345 Series, and H8S/2355 Series, BREQ is not
accepted in sleep mode when all modules are stopped.)
2. No, BREQ is not accepted in hardware standby mode or software standby mode.
Applicable Products
Applicability Series Applicability Series Applicability Series
Entire H8S Series Yes H8S/2655 Yes H8S/2350
Yes H8S/2355 Yes H8S/2357 Yes H8S/2345
Yes H8S/2245 H8S/2148 H8S/2144
H8S/2138 H8S/2134 H8S/2128
H8S/2124 — — — —