as5134 austriamicrosystems, as5134 Datasheet - Page 10
as5134
Manufacturer Part Number
as5134
Description
360?programmable High Speed Bldc Magnetic Rotary Encoder
Manufacturer
austriamicrosystems
Datasheet
1.AS5134.pdf
(29 pages)
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AS5134
Data Sheet - D e t a i l e d D e s c r i p t i o n
Table 6. 2-or 3-wire Read-only Serial Bit Sequence (21bit read)
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 (typ. 20µs).
Note: Read-only mode is also possible in this configuration.
Figure 5. 2-Wire R/W Mode
www.austriamicrosystems.com
D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9
0
DCLK
DIO
0
DIO
CS
0
t1
0
1
VSS
VDD
0
+5V
command phase
C2 lock
2
VDD
VSS
Output
3
D5
I/O
D4
4
D3
Revision 1.6
AGC
5
Read
D2
D15
6
DCLK
D1
DIO
D14
data phase
D8
D0
7
C2
D7
D7
D13
VDD
VSS
8
D6
D6
D12
100n
D5
D5
D1
20
D4
D4
D0
Angle
t9
21
t10
D3
D3
D2
D2
DIO read
DIO write
D1
D1
10 - 29
D0
D0