GNS 5894TAC StarterKit
confidential information manual
V 0.93, May 17th 2021
6
JUMPER AND CONNECTOR DESCRIPTION
CONNECTOR PIN SIGNAL DESCRIPTION
JP1
1: GND
2: RxD (GNS5894TAC ser. input)
3: TxD (GNS5894TAC ser. output)
4: CTS (H/W handshake CTS input)
5: RTS (H/W handshake RTS output)
6: 3.3V
7: GND
8: \RESET GNS5894TAC, active LOW
Direct access to GNS5894TAC UART.
UART I/O Voltage is 3.3V.
JP2 1: GND
2: \RESET FTDI, active LOW
Open : Operation via USB Port
Close : USB to serial converter is
disabled, ser. Port (JP1) can be
accessed.
JP6
1: GND
2: RxD2 (ser. data from GNSS module)
3: TxD2 (ser. data to GNSS module)
4: PPS (PPS pulse from GNSS module)
5: 3.3V
Serial data connection with GNSS
module. I/O voltage is 3.3V.
PROT.SEL. 1: PS input (pulled up internally)
2: GND
Open : ‘Text’ protocol (AVR mode)
Closed : ‘HULC’ protocol
Description of ADS-B frame indicator:
ADS-B frame indicator
Comment
blinking Mode-S and/or Mode-A/C frames are received and output via the serial
interface.
Off No data is received (or the h/w handshake of the serial interface is not active).
