r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 737

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

18.3.1
STBCR is a 32-bit readable/writable register that selects a power-down mode to be entered after a
SLEEP instruction is executed.
STBCR can be accessed only in longwords.
Initial value:
Initial value:
Bit
31 to 8 
7
6 to 0
R/W:
R/W:
Bit:
Bit:
Bit Name
STBY

Standby Control Register (STBCR)
31
15
−
−
R
R
0
0
−
30
14
R
−
R
0
0
Initial
Value
All 0
0
All 0
29
13
−
−
R
R
0
0
28
−
12
−
R
R
0
0
R/W
R
R/W
R
27
11
−
R
−
R
0
0
26
−
10
−
R
R
0
0
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Standby
Selects whether to enter sleep mode or software standby
mode after a SLEEP instruction is executed.
0: Sleep mode
1: Software standby mode
Reserved
These bits are always read as 0. The write value should
always be 0.
25
−
−
R
R
0
9
0
24
−
−
R
R
0
8
0
STBY
R/W
23
−
R
0
7
0
Rev. 1.00 Oct. 01, 2007 Page 671 of 1956
22
−
−
R
R
0
6
0
21
−
−
R
R
0
5
0
Section 18 Power-Down Mode
20
−
−
R
R
0
4
0
19
−
−
R
R
0
3
0
REJ09B0256-0100
18
R
−
R
−
0
2
0
17
−
−
R
R
0
1
0
16
−
R
−
R
0
0
0