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Embedian, Inc.
42
SMART-BEE User’s Manual Document Revision v.1.2
3.1.3.8. LCD LED Backlight Connector: CN8
SMART-BEE provides with one LCD LED backlight connector (CN8) that
can drive up to 10 LEDs in series. The driver IC is TI
TPS61165
.
The following table shows the pin-out of the CN8 LED backlight connector.
CN8: Location on Board, A4/B4
LED Backlight Connector:
JST SM02B-BHSS-1-TB or
compatible
Edge
Finger
Sitara AM335x CPU
Type
Header
Pin
Signal Name
Function
Pin#
Ball
Mode
Signal
Name
1
BLH
Backlight
Drive
(Anode
Side)
From TPS61165
P
2
BLL
Backlight
Drive
(Cathode
Side)
From
TPS61165
P
Note:
The mating connector is JST
BHSR-02VS-1
or compatible. The
backlight control pin is
ecap0_in_pwm0_out.gpio0_7
.
3.1.3.9. Power Input Terminal Block Connector: CN2
The power input connector of SMART-BEE is using a 2-pin 5mm terminal
block and located at CN2. The input power should be 5V. There are +28V
over voltage and -28V miswiring protection.
The following table shows the pin-out of the CN2 power input terminal
block connector.
CN2: Location on Board, B5