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©Vecow EAC-2000 User Manual
GETTING TO KNOW YOUR EAC-2000/2100
2.4.10 JSPI1, JSPI2 : SPI/I2C Signal Connector
There are two SPI+I2C headers, it offered SPI Bus and I2C Bus, in EAC-2000 series.
1
2
4
1
4
1
1
5
1
5
3
1
L1
3
2
1
5
4
6
L2
1
10
1
10
1
10
1
10
1
3
1
3
1
3
1
3
3
3
2
1
74
58
M
75
67
57
9
10
18
1
4
13
14
5
9
10
18
1
4
13
14
5
6
5
4
3
2
1
9
1
3
Y
R9
R10
R8
O
G
R12
R1
R
11
Y
R9
R10
R8
O
G
R12
R1 R
11
Y
R9
R10
R8
O
G
R12
R1
R
11
Y
R9
R10
R8
O
G
R12
R1
R
11
19
1
50
49
2
1
JSPI1
JSPI2
Pin No.
JSPI1 Definition
Pin No.
JSPI2 Definition
1
+3.3V
1
+3.3V
2
GND
2
GND
3
SPI0_MOSI
3
SPI1_MOSI
4
SPI0_MISO
4
SPI1_MISO
5
SPI0_CS0
5
SPI1_CS0
6
SPI0_SCK
6
SPI1_SCK
7
SPI0_CS1
7
SPI1_CS1
8
-------------
8
-------------
9
I2C1_SDA
9
I2C2_SDA
10
I2C1_SCL
10
I2C2_SCL
2.4.11 BAT1 : RTC Battery Connector
The system's real-time clock is powered by a lithium battery. It is Equipped
with Panasonic BR2032 190mAh lithium battery. It is recommended that you
not replace the lithium battery on your own. If the battery needs to be changed,
please contact the Vecow RMA service team.
1
2
4
1
4
1
1
5
1
5
3
1
L1
3
2
1
5
4
6
L2
1
10
1
10
1
10
1
10
1
3
1
3
1
3
1
3
3
3
2
1
74
58
M
75
67
57
9
10
18
1
4
13
14
5
9
10
18
1
4
13
14
5
6
5
4
3
2
1
9
1
3
Y
R9
R10
R8
O
G
R12
R1
R
11
Y
R9
R10
R8
O
G
R12
R1 R
11
Y
R9
R10
R8
O
G
R12
R1
R
11
Y
R9
R10
R8
O
G
R12
R1
R
11
19
1
50
49
2
1
BAT1