LEDs 8
miriac SBC-LS1043A2 User Manual
V 2.2
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© MicroSys Electronics GmbH 2017
8.3
RGB LEDs
The SBC-LS1043A2 provides a RGB LED driver controlling four RGB LEDs.
I²C address 0x68 is existing twice on I2C-1 bus.
Therefore, the so-
called “All Call I2C address” of the TLC59116IRHBR RGB LED
driver has to be disabled before GP input pins of the MAX7325 port expander can be
read correctly. This can be achieved by setting the default value 1 of Bit 0 in MODE1
register to 0.
The following table shows how the LEDs are mapped to the driver outputs:
Part
Reference
LED Driver Output
LED Output Register
LD4
LED0
0x14
LED1
LED2
LED3 is not connected
LD7
LED4
0x15
LED5
LED6
LED7 is not connected
LD6
LED8
0x16
LED9
LED10
LED11 is not connected
LD5
LED12
0x17
LED13
LED14
LED15 is not connected
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