Hardware manual

Microcomputer Technical Q&A

Q&A No.: QAH8S-011

Category: Instruction

Subject: BRA and BRN Instructions

Questions

1. What does it mean when the BRA (BT) instruction condition is true?

2. What does it mean when the BRN (BF) instruction condition is false?

Answers

1. Since the BRA instruction always branches (Always), this means that the branch condition is

always true.

2. Since the BRN instruction never branches (Never), this means that the branch condition is

always false.

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 — — — —