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3.3.2
SFRs
SYSCR0
Bit symbol
(10E0H)
Read/Write
After reset
Function
Always
write "1".
SYSCR1
Bit symbol
(10E1H)
Read/Write
After reset
Function
SYSCR2
Bit symbol
(10E2H)
Read/Write
After reset
Function
Always
write "0".
Note:
The unassigned register, SYSCR0<bit6:3>, SYSCR0<bit1:0>, SYSCR1<bit7:4>, and SYSCR2<bit6> are
RD as undefined value.
7
6
5
−
R/W
1
−
WUPTM1
R/W
0
1
Select WUP time for
oscillator
00: Reserved
8
01: 2
/Input frequency
14
10: 2
/Input frequency
16
11: 2
/Input frequency
Figure 3.3.3 SFR for System Clock
4
3
−
0
Always
write "0".
WUPTM0
HALTM1
R/W
0
1
Select HALT mode
00: Reserved
01: STOP mode
10: IDLE1 mode
11: IDLE2 mode
92CM22-14
TMP92CM22
2
1
−
R/W
0
Always
write "0".
GEAR2
GEAR1
GEAR0
R/W
1
0
Select gear value of high-
frequency oscillator
000: High-frequency oscillator
001: High-frequency oscillator/2
010: High-frequency oscillator/4
011: High-frequency oscillator/8
100: High-frequency oscillator/16
101:
110:
Reserved
111:
HALTM0
SELDRV
DRVE
1
0
<DRVE>
1: Pin
state
Select
control
using
in
mode
STOP/
0: STOP
IDLE1
1: IDLE1
mode
0
0
0
2007-02-16
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