Section 2 Programming Model
Rev.1.00 Dec. 13, 2005 Page 40 of 1286
REJ09B0158-0100
2.2.4 Control
Registers
Status Register (SR):
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
BIt:
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
MD
RB
BL
FD
M
Q
IMASK
S
T
Initial value:
R
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R/W:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BIt:
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
Initial value:
R/W
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W
R/W:
Bit Bit
Name
Initial
Value R/W Description
31 —
0 R Reserved
For details on reading/writing this bit, see General
Precautions on Handling of Product.
30 MD
1 R/W
Processing
Mode
Selects the processing mode.
0: User mode (Some instructions cannot be executed
and some resources cannot be accessed.)
1: Privileged mode
This bit is set to 1 by an exception or interrupt.
29
RB
1
R/W
Privileged Mode General Register Bank Specification
Bit
0: R0_BANK0 to R7_BANK0 are accessed as general
registers R0 to R7 and R0_BANK1 to R7_BANK1
can be accessed using LDC/STC instructions
1: R0_BANK1 to R7_BANK1 are accessed as general
registers R0 to R7 and R0_BANK0–R7_BANK0
can be accessed using LDC/STC instructions
This bit is set to 1 by an exception or interrupt.
28
BL
1
R/W
Exception/Interrupt Block Bit
This bit is set to 1 by a reset, an exception, or an
interrupt. While this bit is set to 1, an interrupt request
is masked. In this case, this processor enters the reset
state when a general exception other than a user
break occurs.
Summary of Contents for SH7780 Series
Page 2: ...Rev 1 00 Dec 13 2005 Page ii of l ...
Page 28: ...Rev 1 00 Dec 13 2005 Page xxviii of l ...
Page 50: ...Rev 1 00 Dec 13 2005 Page l of l ...
Page 82: ...Section 1 Overview Rev 1 00 Dec 13 2005 Page 32 of 1286 REJ09B0158 0100 ...
Page 122: ...Section 3 Instruction Set Rev 1 00 Dec 13 2005 Page 72 of 1286 REJ09B0158 0100 ...
Page 146: ...Section 4 Pipelining Rev 1 00 Dec 13 2005 Page 96 of 1286 REJ09B0158 0100 ...
Page 196: ...Section 6 Floating Point Unit FPU Rev 1 00 Dec 13 2005 Page 146 of 1286 REJ09B0158 0100 ...
Page 292: ...Section 9 L Memory Rev 1 00 Dec 13 2005 Page 242 of 1286 REJ09B0158 0100 ...
Page 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
Page 674: ...Section 15 Clock Pulse Generator CPG Rev 1 00 Dec 13 2005 Page 624 of 1286 REJ09B0158 0100 ...
Page 692: ...Section 16 Watchdog Timer and Reset Rev 1 00 Dec 13 2005 Page 642 of 1286 REJ09B0158 0100 ...
Page 726: ...Section 18 Timer Unit TMU Rev 1 00 Dec 13 2005 Page 676 of 1286 REJ09B0158 0100 ...
Page 1032: ...Section 25 Audio Codec Interface HAC Rev 1 00 Dec 13 2005 Page 982 of 1286 REJ09B0158 0100 ...
Page 1150: ...Section 28 General Purpose I O GPIO Rev 1 00 Dec 13 2005 Page 1100 of 1286 REJ09B0158 0100 ...
Page 1184: ...Section 29 User Break Controller UBC Rev 1 00 Dec 13 2005 Page 1134 of 1286 REJ09B0158 0100 ...
Page 1266: ...Section 31 Electrical Characteristics Rev 1 00 Dec 13 2005 Page 1216 of 1286 REJ09B0158 0100 ...
Page 1328: ...Appendix Rev 1 00 Dec 13 2005 Page 1278 of 1286 REJ09B0158 0100 ...
Page 1336: ...Rev 1 00 Dec 13 2005 Page 1286 of 1286 REJ09B0158 0100 ...
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