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TS5A12301EYFPR Datasheet(PDF) 11 Page - Texas Instruments |
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TS5A12301EYFPR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 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 3.6 LRA/ERM Mode Source Figure 11. Hardware Select Actuator Mode The DRV2603EVM-CT includes both an LRA and ERM actuator. By default, the MSP430 firmware will apply the appropriate logic voltage to the DRV2603 actuator select pin (LRA/ERM) and select the appropriate actuator using an on-board load switch (U5). To manually select the on-board actuator using the MSP430 firmware: 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 and select the appropriate actuator. • B1 - disable the DRV2603 • B2 - select the on-board LRA and enable the DRV2603 • B3 - select the on-board LRA and enable the DRV2603 • B4 - select the on-board ERM and enable the DRV2603 4. If the DRV2603 is enabled, the "EN" LED will glow. To manually set the actuator select pin using hardware, use resistors R1, R2, and R3 to configure the DRV2603 . 1. Remove resistor R1, which will disconnect the MSP430. 2. To select LRA mode, add a 0 Ω resistor across R2 which will short the pin to VBAT. 3. To select ERM mode, add a 0 Ω resistor across R3 which will short the pin to ground. To manually select either the on-board ERM or LRA actuator using hardware: 1. Remove resistor R34 which will disconnect the MSP430. 2. To select the LRA, place a 0 Ω resistor across R35. 3. To select the ERM, no additional resistors are needed. 11 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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