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ERJ-2GEJ104 Datasheet(PDF) 9 Page - Texas Instruments |
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ERJ-2GEJ104 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 28 page JP1 R3 R2 R1 VDD DRV2603 EN ERM/LRA PWM GND OUT+ OUT- MSP430 P3.0 PWM VDD P3.1 R8 EN PWM www.ti.com Hardware Configuration 3.4 PWM Input Source Figure 9. External PWM Input The DRV2603 input signal can be driven by the on-board MSP430 PWM or an external PWM source. The input source is selected by shorting or disconnecting JP1. JP1 PWM Source Shorted MSP430 Open External PWM using PWM testpoint To set the DRV2603 enable pin high while using an external PWM source: 1. Enter Additional Hardware Modes by holding the "+" button until the actuator buzzes and the mode LEDs blink. 2. Select Mode 3 (00011'b) using the increment mode button ("+"). 3. In Mode 3, press one of the following buttons to enable the DRV2603. • B1 - disable the DRV2603 • B2 - enable with LRA auto-resonance on • B3 - enable with LRA auto-resonance off • B4 - enable in ERM mode 4. If the DRV2603 is enabled, the "EN" LED will glow. 9 SLOU340A – May 2012 – Revised May 2012 DRV2603 ERM/LRA Haptic Driver Evaluation Kit Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated |
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