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SH7261 Datasheet(PDF) 56 Page - Renesas Technology Corp

Part # SH7261
Description  32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series
PDF  1348 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7261 Datasheet(HTML) 56 Page - Renesas Technology Corp

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Section 2 CPU
Rev. 2.00 Sep. 07, 2007 Page 24 of 1312
REJ09B0320-0200
2.1.2
Control Registers
The control registers consist of four 32-bit registers: the status register (SR), the global base
register (GBR), the vector base register (VBR), and the jump table base register (TBR).
The status register indicates instruction processing states.
The global base register functions as a base address for the GBR indirect addressing mode to
transfer data to the registers of on-chip peripheral modules.
The vector base register functions as the base address of the exception handling vector area
(including interrupts).
The jump table base register functions as the base address of the function table area.
31
0
1
T
S
2
3
4
5
6
7
8
9
I[3:0]
Q
M
13
14
CS
BO
Status register (SR)
31
0
GBR
Global base register (GBR)
31
VBR
Vector base register (VBR)
0
31
TBR
Jump table base register (TBR)
0
Figure 2.2 Control Registers
(1)
Status Register (SR)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0000000000000000
RRRRRRRRRRRRRRRR
000000
—
—
111100
—
—
R
R/W
R/W
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W
Bit:
Initial value:
R/W:
Bit:
Initial value:
R/W:
————————————————
—
BO
CS
—
—
—
M
Q
I[3:0]
—
—
S
T



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