AS5050
Datasheet - Application Information
Table 16. SPI Timing Characteristics
Parameter
Description
Time between last falling edge of SCK and rising edge of SS/
High time of SS/ between two transmissions
Data input valid to clock edge
Min
tSCK / 2
50
Max
Unit
ns
tH
tXSSH
tMOSI
tMISO
ns
20
ns
SCK edge to data output valid
20
ns
8.1.3 SPI Connection to the Host µC
Single Slave Mode.
Figure 13. Single Slave Mode
0xFFFF
Write CMD
0xFFFF
Write CMD
0xFFFF
Write CMD
0xFFFF
Write CMD
0xFFFF
Write CMD
0xFFFF
Write CMD
Write CMD
MOSI
MISO
SS/
...
Read angle1 Read angle2 Read angle 3 Read angle4 Read angle5 Read angle6
NOP
MOSI
MISO
SCK
SS/
MOSI
MISO
SCK
SS/
Angle1
Angle2
Angle3
Angle4
Angle5
Angle6
UC
UC
UC
AS5050
Wire_Mode
1
1
4-wire mode
MOSI
MISO
MISO
SS/
...
Angle 1
Angle 2
Angle3
Angle4
Angle5
Angle6
Angle7
MISO
SCK
SS/
AS5050
SCK
SS/
Wire_Mode
1
3-wire mode(Read only )
0xFFFF
0xFFFF
0xFFFF
0xFFFF
Write CMD
Write CMD
Write CMD
Write CMD
SISO
MISO
MOSI
SISO
SS/
Angle 1
Angle 2
Angle 3
Angle 4
Read angle1
Read angle2
Read angle3
Read angle 4
AS5050
SCK
SS/
SCK
SS/
3-wire mode(Bi- dir)
Wire_Mode
0
Note: 3-Wire Mode (read only): If the ERROR FLAG is set the device must be externally reset.
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