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AS5140H Datasheet(PDF) 4 Page - ams AG |
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AS5140H Datasheet(HTML) 4 Page - ams AG |
4 / 37 page ![]() www.austriamicrosystems.com/AS5140H Revision 1.4 4 - 37 AS5140H Data Sheet - P i n A s s i g n m e n t s 4 Pin Assignments Figure 2. Pin Assignments (Top View) 4.1 Pin Descriptions The following table shows the description of each pin of the standard SSOP16 package (Shrink Small Outline Package, 16 leads, body size: 5.3mm x 6.2mmm; See Figure 2). Table 1. Pin Descriptions Pin Name Pin Number Description MagINCn 1 Magnet Field Magnitude Increase. Active low. Indicates a distance reduction between the magnet and the device surface. MagDECn 2 Magnet Field Magnitude Decrease. Active low. Indicates a distance increase between the device and the magnet. A_LSB_U 3 Mode1.x: Quadrature A channel Mode2.x: Least Significant Bit Mode3.x: U signal (phase1) B_Dir_V 4 Mode1.x: Quadrature B channel quarter period shift to channel A Mode2.x: Direction of Rotation Mode3.x: V signal (phase2) NC 5 For internal use. Must be left unconnected. Index_ W 6 Mode1.x and Mode2.x: Index signal indicates the absolute zero position Mode3.x: W signal (phase3) VSS 7 Negative Supply Voltage (GND). Prog 8 OTP Programming Input and Data Input for Daisy Chain mode. Internal pull-down resistor (~74k Ω). May be connected to VSS if programming is not used. DO 9 Data Output of Synchronous Serial Interface. CLK 10 SSI Clock Input. Schmitt-Trigger input. CSn 11 Chip Select. Active low; Schmitt-Trigger input, internal pull-up resistor (~50k Ω) connect to VSS in incremental mode (see Incremental Power-up Lock Option on page 16) 1 2 3 4 5 6 7 8 12 16 15 14 13 MagDECn Prog VSS MagINCn A_LSB_U B_Dir_V NC Index_W VDD3V3 VDD5V NC CSn DO CLK 11 10 9 NC PWM_LSB |
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