AS5040-ASST View Datasheet(PDF) - austriamicrosystems AG
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AS5040-ASST Datasheet PDF : 61 Pages
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AS5040 − Pin Assignment
Pin
Symbol
Type
Description
3
A_LSB_U
Mode1.x: Quadrature A channel
DO
Mode2.x: Least Significant Bit
Mode3.x: U signal (phase1)
4
B_Dir_V
Mode1.x: Quadrature B channel quarter period shift to channel A.
DO
Mode2.x: Direction of Rotation
Mode3.x: V signal (phase2)
5
NC
-
Must be left unconnected
6
Index_W
Mode1.x and Mode2.x: Index signal indicates the absolute zero
DO
position
Mode3.x: W signal (phase3)
7
VSS
S
Negative Supply Voltage (GND)
OTP Programming Input and Data Input for Daisy Chain mode.
8
Prog
DI_PD Internal pull-down resistor (~74kΩ).
May be connected to VSS if programming is not used
9
DO
DO_T
Data Output of Synchronous Serial Interface
10
CLK
DI, ST
Clock Input of Synchronous Serial Interface; Schmitt-Trigger input
11
CSn
DI_PU, ST
Chip Select, active low; Schmitt-Trigger input, internal pull-up
resistor (~50kΩ) connect to VSS in incremental mode (see 0)
12
PWM_LSB
DO
Pulse Width Modulation of approx. 1kHz; LSB in Mode3.x
13
NC
-
Must be left unconnected
14
NC
-
Must be left unconnected
15
VDD3V3
S
3V-Regulator Output (see Figure 39)
16
VDD5V
S
Positive Supply Voltage 5 V
Abbreviations for Pin Types in Figure 6:
DO_OD
DO
DI_PD
DI_PU
S
DI
DO_T
ST
: Digital output open drain
: Digital output
: Digital input pull-down
: Digital input pull-up
: Supply pin
: Digital input
: Digital output /tri-state
: Schmitt-Trigger input
Page 6
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[v2-12] 2017-Jun-20
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