Data Sheet

UM7 DATASHEET
Rev. 1.6 – Released 1/10/2016
18
Figure 2 - Single Register Read Operation
Figure 3 - Multiple Register Read Operation
Figure 4 - Single Register Write Operation
SERIAL COMMUNICATION
The UM7 communicates using a 3.3V TTL UART at user-configurable baud rates ranging from
9600 baud to 921600 baud. The default baud rate is 115200.
SS
MISO
MOSI
0x00 Addr 0x00 0x00 0x00 0x00
B3 B2 B1 B0
SS
MISO
MOSI
0x00 Addr 0x00 0x00 0x00 0x00
B3 B2 B1 B0
SS
MISO
MOSI
0x00 Addr1 0x00 0x00 0x00 Addr2
B3 B2 B1 B0 B3 B2
0x00
…
…
…
SS
MISO
MOSI
0x00 Addr1 0x00 0x00 0x00 Addr2
B3 B2 B1 B0 B3 B2
0x00
…
…
…
SS
MISO
MOSI
0x01 Addr B3 B2 B1 B0
SS
MISO
MOSI
0x01 Addr B3 B2 B1 B0