AS5134
Datasheet - D e t a i l e d D e s c r i p t i o n
7.4 Serial 2-Wire Connection (R/W Mode)
By connecting the configuration input C2 to VDD, the AS5134 is configured to 2-wire data transmission mode. Only Clock (DCLK) and Data
(DIO) signals are required. A Chip Select (CS) signal is automatically generated by the DX output, when a time-out of DCLK occurs.
Note: Read-only mode is also possible in this configuration.
Figure 6. 2-Wire R/W Mode
+5V
VDD
VDD
Output
DCLK
C2
VDD
100nF
VSS
VSS
I/O
DIO
V S S
command phase
data phase
timeout phase
t TO
DCLK
1
2
3
4
5
6
7
8
22
t0
t1
DX
CS
t5
DIO
CMD4
CMD3
CMD2
CMD1
CMD0
DIO read
t6
DIO
D15
D14
D1
D0
DIO write
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