Texas Instruments DRV2603, Руководство пользователя

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JP1
R3
R2
R1
VDD
DRV2603
EN
ERM/LRA
PWM GND
OUT+
OUT-
MSP430
P3.0
PWM
VDD
P3.1
R8
EN PWM
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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
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