SH7720 Datasheet, PDF (215/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 3 DSP Operating Unit
The correspondence between DSP data transfer operands and registers is shown in table 3.38.
Table 3.38 Correspondence between DSP Data Transfer Operands and Registers
Register
Ax Ix
Dx Ay Iy
Dy Da As Ds
SH
R0
register _R1
R2 (As2)
Yes
R3 (As3)
Yes
R4 (Ax0) Yes
Yes
R5 (Ax1) Yes
Yes
R6 (Ay0)
Yes
R7 (Ay1)
Yes
R8 (Ix)
Yes
R9 (Iy)
Yes
DSP
A0
register _A1
Yes
Yes
Yes
Yes
M0
Yes
M1
Yes
X0
Yes
Yes
X1
Yes
Yes
Y0
Yes
Yes
Y1
Yes
Yes
A0G
Yes
A1G
Yes
Rev. 3.00 Jan. 18, 2008 Page 153 of 1458
REJ09B0033-0300