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REV.
B
IIC EEPROM
D
RTC
External Interrupt Test
CUSTOMER
REMARK
B
45
2003.11/18
MLN7400EV
5/14
MCS LOGIC
UPDATE
5
23
1
EXTINT 0
EXTINT 2
74
6
A
23
1
6
C
SPI EEPROM
C
DESIGN
DATE
D
CHECK-1
E
A
EEPROM & RTC
CHECK-2
E
SHEET
D1
12
VCC_33
GROUND
R702K
2K R69
R71 4.7K
TACT_SW
S2
12
GROUND
GROUND
1N4004
VCC_33
GROUND
4.7KR68
GROUND
VCC_33
GROUND
S1
TACT_SW
12
C186
0.1uF
VCC_33
GROUND
0.1uF
C187
2
GROUND
D2
1N4004
12
VCC_33
C290.1uF
GROUND
C3022pF
22pF C31
GROUND GROUND
BT1A
BATTERY
1
4
SCK
6
5
SI
SO
2
8
VCC
VCC_33
XTAL_32_768KHZ_H49S
Y1
12
3
2K R66
R672K
AT25040
U4
1
*CS
*HOLD
7
3
*WP
GND
1
GROUND
1uF
TC42
21
GROUND
VCC_33
GROUND
S524A40X10
U3
1
A0
A1
2
3
A2
GND
4
SCL
6
5
SDA
8
VCC
WP
7
GROUND
TC41
1uF
2
U5
DS1629
ALRM
3
4
GND
OSC
72
SCL
SDA
18
VDD
6
X1
X2
5
VCC_33
SCL
SDA
SPI_CLK
SPI_MOSI
SPI_SS*
SPI_MISO
SDA
SCL
EXTINT0
EXTINT2