Datasheet
Section 2 CPU
Rev. 3.00 Sep. 10, 2007 Page 19 of 528
REJ09B0216-0300
2.4 Instruction Set
2.4.1 Table of Instructions Classified by Function
The H8/300H CPU has 62 instructions. Tables 2.2 to 2.9 summarize the instructions in each
functional category. The notation used in tables 2.2 to 2.9 is defined below.
Table 2.1 Operation Notation
Symbol Description
Rd General register (destination)*
Rs General register (source)*
Rn General register*
ERn General register (32-bit register or address register)
(EAd) Destination operand
(EAs) Source operand
CCR Condition-code register
N N (negative) flag in CCR
Z Z (zero) flag in CCR
V V (overflow) flag in CCR
C C (carry) flag in CCR
PC Program counter
SP Stack pointer
#IMM Immediate data
disp Displacement
+ Addition
– Subtraction
× Multiplication
÷ Division
∧ Logical AND
∨ Logical OR
⊕ Logical XOR
→ Move
∼ NOT (logical complement)
:3/:8/:16/:24 3-, 8-, 16-, or 24-bit length










