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Version 23.00, November 2020
18 Rohde & Schwarz R&S
®
RTH1002, R&S
®
RTH1004 Handheld Oscilloscope
R&S
®
RTH-K2
UART/RS-232/RS-422/RS-485 serial triggering and decoding
Protocol configuration
bit rate
300 bps to 20 Mbps
signal polarity
idle low, idle high
number of bits
5 bit to 9 bit
bit order
LSB first, MSB first
parity
odd, even, none
stop bits
1, 1.5 or 2
end of packet
timeout, none
auto threshold setup
assisted threshold configuration for UART
triggering and decoding (software)
Trigger
source
any input channel or logical channel
trigger event setup
start bit, packet start, data, parity error,
stop error, break condition
data setup
data pattern (hex, decimal, octal, binary or
ASCII); condition =, ≠; >, <; offset within
packet in range 0 to 4095 words
Decode
source
any input channel, logical channel
display type
decoded bus, tabulated list
color coding
start, data payload, parity, stop, start
error, parity error, stop error
data format
hex, decimal, octal, binary, ASCII
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