HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 165
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417320.pdf
(1524 pages)
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(3) System control instructions
The DSR, A0, X0, X1, Y0, and Y1 registers in the DSP unit can also be used as the CPU system
registers. Accordingly, data transfer operations between these DSP system registers and general
registers or memory can be executed by the STS and LDS instructions. These DSP system
registers can be treated as the CPU system register such as PR, MACH and MACL and can use the
same addressing modes.
Table 3.9
Instruction
STS
STS
STS
STS
STS
STS
STS.L
STS.L
STS.L
STS.L
STS.L
STS.L
LDS.L
LDS.L
LDS.L
LDS.L
LDS.L
LDS.L
LDS
LDS
LDS
LDS
LDS
LDS
DSR,Rn
A0,Rn
X0,Rn
X1,Rn
Y0,Rn
Y1,Rn
DSR,@-Rn
A0,@-Rn
X0,@-Rn
X1,@-Rn
Y0,@-Rn
Y1,@-Rn
@Rn+,DSR
@Rn+,A0
@Rn+,X0
@Rn+,X1
@Rn+,Y0
@Rn+,Y1
Rn,DSR
Rn,A0
Rn,X0
Rn,X1
Rn,Y0
Rn,Y1
Extended System Control Instructions in DSP Mode
Operation
DSR → Rn
A0 → Rn
X0 → Rn
X1 → Rn
Y0 → Rn
Y1 → Rn
Rn – 4 → Rn, DSR → (Rn)
Rn – 4 → Rn, A0 → (Rn)
Rn – 4 → Rn, X0 → (Rn)
Rn – 4 → Rn, X1 → (Rn)
Rn – 4 → Rn, Y0 → (Rn)
Rn – 4 → Rn, Y1 → (Rn)
(Rn) → DSR, Rn + 4 → Rn
(Rn) → A0, Rn + 4 → Rn
(Rn) → X0, Rn + 4 → Rn
(Rn) → X1, Rn + 4 → Rn
(Rn) → Y0, Rn + 4 → Rn
(Rn) → Y1, Rn + 4 → Rn
Rn → DSR
Rn → A0
Rn → X0
Rn → X1
Rn → Y0
Rn → Y1
Rev. 3.00 Jan. 18, 2008 Page 103 of 1458
Section 3 DSP Operating Unit
Execution States
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
REJ09B0033-0300
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