User manual

7
18
CI1-
Current input 1 -
19
CI2+
Current input 2 + (4-20mA current measurement with isolation)
20
CI2-
Current input 2 -
21
CANH
CAN High
22
CANL
CAN Low
23
FI1
Frequency counter input 1
24
FI2
Frequency counter input 1
8- RF Connectors:
The PingPong board has three UFL connectors on board as shown in the picture below.
Fig (d)
The GNSS connector has a 3V DC voltage to power the active antenna connected to it.
9- Inter-modules Connections:
The following figure shows the inter connections between the Microchip PIC32 microcontroller and all
the other modules on
board:
Fig (e)
PIC32
XE910
Module
UART1
UART2
SL869
GNSS
SPI 5
Flash
Memory
4MB
SQI
Accelerometer
Magnetometer
I2C
2
CAN
Transceiver
CAN
SPI 4
4-20mA
measurement
Ethernet
USB
I/O
ADC
1-Wire