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Hardware Configuration
4.5.2
External Source Trigger Control
1. Remove jumper JP1.
2. Enter
Additional Hardware
3. Select Mode 0 (00000'b) using the increment mode button (+).
•
B1 – Select the on-board ERM
•
B2 – Select the on-board LRA
•
B3 – Trigger Select (1 = Internal Trigger, 2 = Ext. Edge, 3 = Ext. Level)
•
B4 – Trigger the waveform sequence using the MSP430.
4. Fill the waveform sequencer with waveforms using the external I
5. Choose either the on-board ERM or LRA using buttons B1 or B2.
6. Select either External Edge (2) or External Level (3) trigger using the B3 button. The trigger type
appears in binary on the mode LEDs.
7. Apply the external logic signal to the PWM test point to trigger the waveform.
2
4.6
External I
C Input
AUDIO
MSP430
PWM/
GPIO
The DV2604 can be controlled by an external I
at the top of the board; be sure to connect SDA, SCL and GND from the external source.
2
I
C communication is possible only when the EN pin is set high. To enable the DRV2604 and allow
2
external I
C control, follow the instructions below.
1. Enter
Additional Hardware
2. Select Mode 0 (00000'b) using the increment mode button (+).
•
B1 – Select the on-board ERM
•
B2 – Select the on-board LRA
•
B3 – Trigger Select (1 = Internal Trigger, 2 = Ext. Edge, 3 = Ext. Level)
•
B4 – Trigger the waveform sequence using the MSP430.
3. Choose either the on-board ERM or LRA using buttons B1 or B2. Either button sets the EN pin high
and turns on the Active LED.
4. Begin controlling the DRV2604 using the external I
16
DRV2604 ERM, LRA Haptic Driver Evaluation Kit
Modes.
R40, 0Q
R41, NP
R43, 0Q
C11
R8
P3.1
JP1
SDA
SCL
SDA SCL
Figure 17. External I
Modes.
Copyright © 2013, Texas Instruments Incorporated
2
C port.
EN
PWM
DRV2604
EN
IN/TRIG
SDA
SCL
2
C Input
2
C source. Attach the external controller to the I
2
C source.
www.ti.com
OUT+
GND
VDD
OUT-
2
C header
SLOU355 – March 2013
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