HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 139

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

3.4.2
Table 3.10 shows the relationship between the double data transfer instructions and single data
transfer instructions.
Table 3.10 Overview of Data Transfer Instructions
Address register
Index register
Addressing
Modulo addressing
Data bus
Data length
Bus conflict
Memory
Source register
Destination register
Iy: .REG (R9)
As0: .REG (R4); This definition is used for if the alias is required in the single data transfer
As1: .REG (R5) ; This definition is used for if the alias is required in the single data transfer
As2: .REG (R2)
As3: .REG (R3)
Is: .REG (R8) ; This definition is used for if the alias is required in the single data transfer
DSP Data Addressing
Double Data Transfer
Instructions
MOVX.W, MOVY.W
Ax: R4, R5,
Ay: R6, R7
Ix: R8,
Iy: R9
Nop/Inc (+2)/index addition:
post-increment
—
Possible
XDB, YDB
16 bits (word)
No
X/Y data memory
Dx, Dy: A0, A1
Dx: X0/X1
Dy: Y0/Y1
Single Data Transfer
Instructions
MOVS.W, MOVS.L
As: R2, R3, R4, R5
Is: R8
Nop/Inc (+2, +4)/index addition:
post-increment
Dec (–2, –4): pre-decrement
Not possible
LDB
16/32 bits (word/longword)
Yes
Entire memory space
Ds: A0/A1, M0/M1, X0/X1, Y0/Y1,
A0G, A1G
Ds: A0/A1, M0/M1, X0/X1, Y0/Y1,
A0G, A1G
Rev. 1.00, 02/04, page 101 of 804