Part II: PCM-959/phyCORE-OMAP44xx Carrier Board
phyCORE-OMAP44xx
132
©
PHYTEC Messtechnik GmbH
2012
L-760e_1
2.1.3.14 User programmable LEDs
Figure 39:
User programmable LEDs
Four user programmable LEDs are available on the phyCORE-OMAP44xx Carrier Board. These LEDs are controlled
by the I
2
C LED dimmer at U50 (PCA9533), which is connected to the phyCORE's I
2
C4 bus. The I
2
C address is 0x62.
The user LEDs are free programmable for example a Heartbeat Connect detection of SD/MMC card or other
things. The LEDs are in different colors on the carrier board. In cases of need it can assembled with other color
LEDs.
LED title
LED color
description
D41
red
User LED 1 (LED driver 0 of the PCA9533)
D39
yellow
User LED 2 (LED driver 1 of the PCA9533)
D40
yellow
User LED 3 (LED driver 2 of the PCA9533)
D38
green
User LED 4 (LED driver 3 of the PCA9533)
Table 63:
User Programmable LEDs