Section 19 Power-Down Modes
Rev. 3.00 Sep. 27, 2007 Page 667 of 758
REJ09B0243-0300
19.3.6
Standby Control Register 6 (STBCR6)
STBCR6 is an 8-bit readable/writable register that specifies the state of the power-down modes.
Bit:
Initial value:
R/W:
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R/W
R/W
R
R
R
R
R/W
R
-
-
HIZ
-
UBC
RST
-
STBY
MD
-
Bit Bit
Name
Initial
Value
R/W Description
7
UBCRST
0
R/W UBC Software Reset
Resetting the PC trace unit of UBC is controlled by
software.
Clearing this bit to 0 puts the PC trace unit of the UBC
module into the power-on reset state.
0: Puts the PC trace unit of UBC into the reset state
1: Releases reset in the PC trace unit of UBC
6 HIZ 0 R/W
Port
High-Impedance
In software standby mode, this bit selects whether the
pin state is retained or changed to high-impedance.
0: In software standby mode, the pin state is retained
1: In software standby mode, the pin state is changed
to high-impedance
5 to 2
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
1
STBYMD
0
R/W Software Standby Mode Select
If this bit is set to 1, executing SLEEP instruction with
the STBY bit in STBCR1 is 1 and makes transition to
software standby mode.
0: Setting prohibited
1: Makes transition to software standby mode
0
0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
Summary of Contents for SH7124 R5F7124
Page 2: ...Rev 3 00 Sep 27 2007 Page ii of xx ...
Page 8: ...Rev 3 00 Sep 27 2007 Page viii of xx ...
Page 36: ...Section 1 Overview Rev 3 00 Sep 27 2007 Page 16 of 758 REJ09B0243 0300 ...
Page 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Page 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
Page 166: ...Section 7 User Break Controller UBC Rev 3 00 Sep 27 2007 Page 146 of 758 REJ09B0243 0300 ...
Page 724: ...Section 20 List of Registers Rev 3 00 Sep 27 2007 Page 704 of 758 REJ09B0243 0300 ...
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