HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 137

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

The correspondence between DSP data transfer operands and registers is shown in table 2.28.
CPU core registers are used as a pointer address that indicates a memory address.
Table 2.28 Correspondence between DSP Data Transfer Operands and Registers
Register
CPU
registers R1
DSP
registers A1
R0
R2 (As2)
R3 (As3)
R4 (Ax0)
R5 (Ax1)
R6 (Ay0)
R7 (Ay1)
R8 (Ix)
R9 (Iy)
A0
M0
M1
X0
X1
Y0
Y1
A0G
A1G
Ax




Yes
Yes




—
—








Ix








Yes
—










Dx












—
—
Yes
Yes




Ay






Yes
Yes




—
—






Iy









Yes










Rev. 4.00 Sep. 14, 2005 Page 87 of 982
Dy
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
—
—



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

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Yes
Yes


Da










Yes
Yes








REJ09B0023-0400
As


Yes
Yes
Yes
Yes

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Section 2 CPU
Ds
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes