HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 129
HD6412373R
Manufacturer Part Number
HD6412373R
Description
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6412373R.pdf
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Table 2.10 Block Data Transfer Instructions
Instruction
EEPMOV.B
EEPMOV.W
2.6.2
The H8S/2000 CPU instructions consist of 2-byte (1-word) units. An instruction consists of an
operation field (op), a register field (r), an effective address extension (EA), and a condition field
(cc).
Figure 2.11 shows examples of instruction formats.
• Operation field
• Register field
• Effective address extension
• Condition field
Indicates the function of the instruction, the addressing mode, and the operation to be carried
out on the operand. The operation field always includes the first four bits of the instruction.
Some instructions have two operation fields.
Specifies a general register. Address registers are specified by 3 bits, and data registers by 3
bits or 4 bits. Some instructions have two register fields, and some have no register field.
8, 16, or 32 bits specifying immediate data, an absolute address, or a displacement.
Specifies the branching condition of Bcc instructions.
Basic Instruction Formats
—
Size
—
Function
if R4L ≠ 0 then
else next:
if R4 ≠ 0 then
else next:
Transfers a data block. Starting from the address set in ER5, transfers
data for the number of bytes set in R4L or R4 to the address location
set in ER6.
Execution of the next instruction begins as soon as the transfer is
completed.
Repeat @ER5+ → @ER6+
Until R4L = 0
Repeat @ER5+ → @ER6+
Until R4 = 0
R4L–1 → R4L
R4–1 → R4
Rev.7.00 Mar. 18, 2009 page 61 of 1136
REJ09B0109-0700
Section 2 CPU
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