8
JUMPER SWITCH SETTINGS
22
EPSON
S5U1C17801T1100 HARDWARE MANUAL
(SOFTWARE EVALUATION TOOL FOR S1C17801)
8
Jumper Switch Settings
Three jumper switches are installed on the surface of the SVT
17801
. Each function is as follows:
Setting for JP
1
JP
1
can be used to select Wakeup Enable or Disable as shown in the following.
1
-
2
on JP
1
must be shorted to select
Wakeup Enable. Wakeup Enable can be controlled by the Wakeup pin on the S
1
C
17801
or on-board power switch.
For details, see the description of RTC control circuit in Chapter
10
. Shorting
2
-
3
on JP
1
disables the Wakeup func-
tion.
Factory default setting for JP
1
is Wakeup Enable.
To 3.3V regulator
JP1
JP1
JP1
ENABLE W
AKEUP
DISABLE W
AKEUP
To POWER SW
To WAKEUP pin
1
2
2
3
DIC-149-3P
R59
10K
Q11
UNR5213
1
U24
SN74LVC1G98DCKR
3
C49
0.1µF
5
6
4
+5V
G
G
V
Fig.
8
.
1
.
1
JP
1
Related Circuit
Summary of Contents for S5U1C17801T1100
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