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4.2 Connector J2
Connector Type
mates with
Table 2
J2 signals
Pin Signal
Description
I/O
PU/PD
1
BAT1
Battery 1 power
P
2
BAT1
Battery 1 power
P
3
GND
Ground
P
4
GND
Ground
P
5
BAT2
Battery 2 power
P
6
BAT2
Battery 2 power
P
7
TDI
JTAG interface
I/O 5V
PU 10k µC_VCC
8
TDO
JTAG interface
I/O 5V
PU 10k µC_VCC
9
TCK
JTAG interface
I/O 5V
PU 10k µC_VCC
10
TMS
JTAG interface
I/O 5V
PU 10k µC_VCC
11
B2_SCL
I²C-bus data line used for communication with battery 1
I/O 5V
PU 15k µC_VCC
12
B2_SDA
I²C-bus data line used for communication with battery 1
I/O 5V
PU 15k µC_VCC
13
B2_TP
Reserved
14
B1_TP
Reserved
15
B1_SDA
I²C-bus clock line used for communication with battery 2
I/O 5V
PU 15k µC_VCC
16
B1_SCL
I²C-bus clock line used for communication with battery 2
I/O 5V
PU 15k µC_VCC
17
GND
Ground
P
18
GND
Ground
P
19
Uin
Power input 19V/4.5A
P
20
Uin
Power input 19V/4.5A
P
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