HD64336901G Renesas Technology, HD64336901G Datasheet - Page 114

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

6.1.2
SYSCR2 controls the power-down modes, as well as SYSCR1.
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Rev. 1.00, 11/03, page 86 of 376
Bit
7
6
5
4
3
2
1, 0
Don't care
System Control Register 2 (SYSCR2)
Bit Name
SMSEL
DTON
MA2
MA1
MA0
Initial
Value
0
0
0
0
0
0
All 0
R/W
R/W
R/W
R/W
R/W
R/W
Description
Sleep Mode Selection
This bit specifies the mode to be entered after executing
the SLEEP instruction, as well as the SSBY bit in
SYSCR1. For details, see table 6.2.
Reserved
This bit is always read as 0.
Direct Transfer on Flag
This bit specifies the mode to be entered after executing
the SLEEP instruction, as well as the SSBY bit in
SYSCR1. For details, see table 6.2.
Active Mode Clock Select 2 to 0
These bits select the operating clock frequency in active
and sleep modes. The operating clock frequency
changes to the set frequency after the SLEEP instruction
is executed.
0XX:
100:
101:
110:
111:
Reserved
These bits are always read as 0.
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