JP1
VDD
DRV2604L
EN
IN/TRIG
GND
OUT+
OUT-
MSP430
PWM/
GPIO
P3.1
R8
EN
PWM
SDA
SCL
SDA
SCL
C11
AUDIO
R40, 0
Q
R41, NP
SDA SCL
R43, 0
Q
Hardware Configuration
www.ti.com
4.4
PWM Input
Figure 20. External PWM Input
JP1
PWM Source
Shorted
MSP430
Open
External PWM using PWM test point
To control the DRV2604L using PWM, follow the instructions below:
1. Enter
Additional Hardware Modes
.
2. Select Mode 2 (00010'b) using the increment mode button (
+
).
•
B1 – Disable Amplifier
•
B2 – ERM Mode
•
B3 – LRA Mode
•
B4 – No function
3. Choose either the on-board ERM or LRA using buttons B1 or B2.
4. Apply the PWM signal to the PWM test point at the top of the board.
16
DRV2604L ERM, LRA Haptic Driver Evaluation Kit
SLOU390A – May 2014 – Revised June 2014
Submit Documentation Feedback
Copyright © 2014, Texas Instruments Incorporated