Quick Start Guide
Jumper Description
Configuration
Default
J6, J7
Antenna
1-2: via DB15 connector
2-3: Internal antenna
J6 1-2, J7 2-3
(no antenna)
J9, J10 I2C Master pull up
connection
Open: not connected
1-2: 3k3 Ohm
Open
J12
Reset
1-2 RST on J11:3
2-3 RST on Arduino
2-3
J13
SE051_ENA pin routing
1-2: ENA low, VOUT not connected to VIN
2-3: ENA controlled by Arduino pin J1:6
2-3
J14
SE051_VCC pin routing
1-2: Routed to VDD supply voltage (see J19)
3-4: Routed to SE_Vout pin
5-6: Routed to J11:4 pin
1-2
J15
I2C Slave SDA connection 1-2: Arduino R3 J4:5
3-4: Arduino R3 J2:9
3-4
J16
SE051_Vin supply
1-2: Supplied by J11:2 pin
2-3: Supplied by the VDD (see J19)
2-3
J17
I2C Slave SCL connection 1-2: Arduino R3 J4:6
3-4: Arduino R3 J2:10
3-4
J18
SE051_IO2 routing
1-2: Routed to J11:9
2-3: Routed to J2:3
1-2
J19
VDD supply voltage
1-2: From LDO
2-3: From 3V3_ARD pin
2-3
J24
VDD supply selection for
LDO
(if LDO is used - see J19)
1-2: From 5V_PC (USBI2C flat connector)
3-4: From 5V_DB15 pin
5-6: From 5V_ARD pin
1-2
J37, J38 I2C Slave bus pull up
configuration
Open: 3k3 Ohm (I2C fast mode)
1-2: 660 Ohm (I2C high speed mode)
Open
