SH7641 Datasheet, PDF (89/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 2 CPU
39 32 31
0
A0G
A0
A1G
A1
M0
M1
X0
X1
Y0
Y1
(a) DSP Data Registers
31
87 6 5 4 3 2 1 0
GT Z N V CS [2:0] DC
(b) DSP Status Register (DSR)
Reset status
DSR: All zeros
Others: Undefined
Figure 2.7 DSP Registers
8 bits
MOVS.W,
MOVS.L
39
32
A0G
A1G
DSR
7
0
16 bits
16 bits
MOVX.W MOVY.W
31
32 bits
16
A0
A1
M0
M1
X0
X1
Y0
Y1
LDB
XDB
YDB
MOVS.W,
MOVS.L
0
Figure 2.8 Connections of DSP Registers and Buses
Rev. 4.00 Sep. 14, 2005 Page 39 of 982
REJ09B0023-0400