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SAM4S ER-280 SERIES
10-5
A
T8
B
3.4V
C
4
of
Rev
1.3
4
3
2
1
A
B
C
VBAT
BUZZER
VDD50V
DRAWER
LOWBAT
2
CN12:2
3
CN12:3
Size
ER280 MAIN.SCH
ER-280
TITLE :
DD
11
Sheet
RTC_SDA
RTC_SCLK
2
15K
R137
R74
10K
4.7K
R142
100
R60
R64
100
100nF
C71
R140
4.7K
R83
1K
When Power On,
VBT Supply
VDD50V
2
3
1
MMBT2222A
Q22
+24V
D26
M4
VDD50V
10K
R69
R82
100
When Power Off,
VBT Supply
1
CN12:1
A3
Date
2007.02.28
DD
VBAT
100nF
C57
K.Y CHOI
Drawn by
VDD50V
R111
4.7K
4
3
1
+24V
CE10
10uF
50V
C74
1uF
R139
4.7K
VDD50V VDD50V
100nF
C75
BUZZER
AU1
R84
470
10K
R135
BAT43WS
D11
32.768KHZ
X2
+24V
INT0_PFAIL
SEN_DWRCOMP
★★
NOPOP
★★
→
그리스에만
적용
File Name
2
3
1
MMBT2222A
Q13
[ BUZZER BLOCK ]
VDD50V
27K
R136
2
3
1
8
4
U30:A
LM393D
[ POWER FAIL BLOCK ]
4.7K
R133
[ DRAWER BLOCK ]
D8
BAT43WS
BAT43WS
D14
NOTE] DIODE BAT43WS LEAKAGE CURRENT = MAX 0.5[uA]
VBAT
BAT43WS
D10
[ BATTERY BLOCK ]
100nF
C76
VDD50V
4
CN12:4
CON-BOX;4P,2.5MM,ST(YH)
R109
4.7K
[ RTC BLOCK ]
D5
MMBD6050LT1
R76
4.7K
VDD50V
R138
2K
1
2
3
SL1002
Q23
1
2
BAT1
MS920S-FL27E
10K
R141
2
OSCO
3
INT
4
VSS
1
OSCI
6
SCL
7
CLKO
8
VDD
5
SDA
PCF8563TS
U24
15pF
C58
BAT/RTC/FAIL/BUZZER BLOCK
Shin Heung Precision Co., Ltd.
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