EVM Software
22
SNVU564A – July 2017 – Revised August 2017
Copyright © 2017, Texas Instruments Incorporated
Using the BOOST-LP5569EVM Evaluation Module
illustrates the GUI
Read all registers
prompt which appears after setting the chip_en bit in the
CHIP_EN register.
Figure 28. Control View (Manual Tab)
2.10.2
Chip Enable and MISC Setting
The chip_en bit of the CONFIG register can be written by clicking the chip_en check box, and a popup
window is shown to read all registers after writing the chip_en bit. Note that the EN pin should be high
before accessing registers. The en_auto_incr bit and powersave_en bit of the MISC register can be
controlled also.
2.10.3
Direct LED Current and PWM Control
There are nine tabs to control each LED from LED0 to LED8. The external_power(x), exp_en(x),
led(x)_ratio_en and mf_mapping(x) bits of the LED(X)_CONTROL register can be controlled. The pwm(x)
bit of the LED(X)_PWM register and the current(x) bit of the LED(X)_CURRENT register can also be
adjusted. Regarding pwm(x) and current(x), an
Update
button click is required to write data through I
2
C
after changing the value by using the slide bar or text box.
Figure 29. LED ON-OFF Control
