r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 819

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

17.3.3
MSTPCR1 is a 32-bit readable/writable register that each module of H-UDI, UBC, DMAC, and
GDTA operates or is stopped. MSTPCR1 can be accessed only in longword.
This register is initialized by a power-on reset by the PRESET pin or power-on reset by WDT
overflow, or H-UDI reset.
Initial value:
Initial value:
Bit
31 to 20 ⎯
19
18
17
R/W:
R/W:
BIt:
BIt:
Bit Name
MSTP119
⎯
MSTP117
Standby Control Register 1 (MSTPCR1)
R/W
R/W
31
15
⎯
⎯
0
0
R/W
R/W
30
14
⎯
⎯
0
0
R/W
R/W
29
13
⎯
⎯
0
0
Initial
Value
All 0
0
0
0
R/W
R/W
28
⎯
12
⎯
0
0
R/W
R/W
27
⎯
11
⎯
R/W
R/W
R/W
R/W
R/W
0
0
R/W
R/W
26
10
⎯
⎯
0
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Module Stop Bit 119
Specifies that the clock supply to the H-UDI module is
stopped
0: H-UDI operates
1: H-UDI stopped
Reserved
These bits are always read as 0. The write value
should always be 0.
Module Stop Bit 117
Specifies that the clock supply to the UBC module is
stopped
0: UBC operates
1: UBC stopped
R/W
R/W
25
⎯
⎯
0
9
0
R/W
R/W
24
⎯
⎯
0
8
0
R/W
R/W
23
⎯
⎯
0
7
0
Rev.1.00 Jan. 10, 2008 Page 789 of 1658
R/W
R/W
22
⎯
⎯
0
6
0
MSTP[105:104]
R/W
R/W
21
⎯
0
5
0
R/W
R/W
20
⎯
0
4
0
MSTP119
17. Power-Down Mode
R/W
R/W
19
⎯
0
3
0
REJ09B0261-0100
R/W
R/W
18
⎯
⎯
0
2
0
MSTP117
R/W
R/W
17
⎯
0
1
0
MSTP100
R/W
R/W
16
⎯
0
0
0