GW Instek GDS-3000 Series DS3-SBD Serial Bus decode - Manual (Page 16)

GDS-3000 Serial Decode User Manual
16
Bus Trigger Settings
The bus trigger conditions should be set at any time after UART,
I
2 C or SPI have been selected as the B1 or B2 buses. If the trigger is
not set to Bus the trigger will not be stable.
Panel Operation 1. Press the trigger Menu key and
press Type from the bottom menu.
2. Press Others from the side
menu and select Bus.
3. Press Source Bus from the bottom
menu and select the source bus, B1
or B2. The B1/B2 trigger appear at
the bottom of the display.
From left: Bus, Trigger On.
4. Press Trigger On and select the
triggering condition for the
selected bus.
UART Tx Start Bit, Rx Start Bit, Tx End of
Packet, Rx End of Packet, Tx Data,
Rx Data, Tx Parity Error, Rx Parity
Error
I 2 C Start, Repeat Start, Stop, Missing
Ack, Address, Data, Address/Data
SPI SS Active, MOSI, MISO,
MOSI&MISO
Trigger On - Data If Data was configured for the Trigger On
setting, then the number of bytes, data and
addressing mode (I
2 C) can be configured.