User's Manual

User Manual
SM3000 OEM module
6 Connectivity
6.1 Power
Power can be applied to the SM3000 OEM module via JP1 or JP2 (see Table 1). Connections must use 2mm
pitch pin headers or wires. The maximum allowed wire length is 10cm.
Applying power via JP1:
supply voltage can be applied to either VBAT 1 or VBAT 2 (one connection is enough)
reverse polarity protection is included via two Shotkey diodes
please refer to Table 3 for voltage supply range
Applying power via JP2:
if power is applied via JP1, leave VDD unconnected
reverse polarity protection is not provided in this case
please refer to Table 3 for voltage supply range
6.2 Data
The SM3000 OEM module supports the following serial interfaces:
SPI
UART
I2C
Physical connection must be made via JP2 (see Table 1). Use 2mm pitch pin headers or wires of maximum
10cm length.
8/27 Ambient Systems B.V.