HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 146

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 3 DSP Operating Unit
Table 3.2
3.2.3
In DSP mode, the status register (SR) in the CPU unit is extended to add control bits and three
control registers: a repeat start register (SR), repeat end register (RE), and modulo register (MOD)
are added as control registers.
Rev. 3.00 Jan. 18, 2008 Page 84 of 1458
REJ09B0033-0300
Address Range
H'A5000000 to H'A5FFFFFF
31
31
31
31
0
MD RB BL
30
29
ME
CPU Register Sets
28 27
Virtual Address Space
RC[11:0]
16 15
RS
RE
16 15
Figure 3.2 CPU Registers in DSP Mode
0
MS
Name
P2/Uxy
14
0
13
0 DSP DMY DMX M
12
0
0
0
11
Protection
Privileged or
DSP
Repeat start register (RS)
Repeat end register (RE)
MODulo register (MOD)
10
9
Q
8
I3
7
16-Mbyte physical address space,
non-cacheable, non-address
translatable
Can be accessed in privileged mode,
privileged DSP mode, and user DSP
mode
Description
I2
6
I1
5
I0 RF1 RF0 S
4
3
2
1
0
T
Status Register
(SR)