L-843e.A1 phyBOARD-Mira i.MX 6 Hardware Manual
© PHYTEC Messtecknik GmbH
18
X14
A/V connector #2 (2×20 dual-entry connector 2 mm pitch)
X17
Expansion connector (2×30 socket connector 2 mm pitch)
X21
Touch connector (1x4 pin header 2.54 mm pitch)
X22
Secure Digital / Multi-Media Card (Micro-slot)
Secure Digital Memory Card /
Multimedia Card
X23
RS
‑
232 with RTS and CTS, or RS-485 (UART3 2×5 pin header
2.54 mm pitch)
X28
HDMI connector (Typ-A)
X29
Backup voltage connector (1x2 pin header 2.54 mm pitch)
4.1.2 LEDs
The phyBOARD
‑
Mira is populated with three LEDs to indicate the status of the USB VBUS voltages, as well as of the
power supply voltage. The fourth LED is a user-programmable RGB-LED.
shows the location of the LEDs
. Their function is listed in the table below.
TABLE 3: phyBOARD
‑
Mira LEDs Descriptions
LED
Color
Description
See Section
D2
red
3.3 V voltage generation of the phyBOARD
‑
Mira
D6
RGB
User-programmable RGB-LED
D13
green
Indicates the presence of VBUS at the USB host interface
D14
green
Indicates the presence of VBUS at the USB OTG interface
Warning
Ensure that all module connections do not exceed their expressed maximum voltage or current. Maximum
signal input values are indicated in the corresponding controller User's Manual/Data Sheets. As damage
from improper connections varies according to use and application, the user must take appropriate safety
measures to ensure that the module connections are protected from overloading through connected
peripherals.