LabJack U3 User Manual

5.3.18
Requir
(received on SCL termin
• Flush: Empties the entire 256-byte RX buffer. If there is more than 32 bytes in the
buffer that data is lost.
• NumAsynchBytesInRXBuffer: Returns the number of bytes in the buffer before this
read.
• AsynchByte#: Returns the 32 oldest bytes from the RX buffer.
AsynchRX
es U3 hardware version 1.21. Reads the oldest 32 bytes from the U3 UART RX buffer
al). The buffer holds 256 bytes.
and:Comm
Byte
0 Checksum8
10xF8
60x00
Respon
20x01
30x16
4 Checksum16 (LSB)
5 Checksum16 (MSB)
7Flush
se:
Byte
0
10xF8
4 Checksum16 (LSB)
7 NumAsynchBytesInRXBuffer
8 AsynchByte0
……
39 AsynchByte31
Checksum8
20x11
30x16
5 Checksum16 (MSB)
6 Errorcode
110

LabJack U3 Specifications

General

Analog Outputs	2
Analog Output Resolution	10 bits
Digital I/O	20
Counter/Timers	2
Interface	USB
Operating Voltage	5 V
Manufacturer	LabJack Corporation
Analog Inputs	16
Analog Input Resolution	12-bit
Max Sample Rate	50 kHz