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This section describes the characteristics and operation of all connectors on the LS424.
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The following table illustrates the pinout of the USB 2.0 Type-C host port:
pin | Signal Name | Description | Mating Sequence | pin | Signal Name | Description | Mating Sequence |
|---|---|---|---|---|---|---|---|
A1 | GND | Ground return | First | B12 | GND | Ground return | First |
A2 | TX1+ | Serial transmit | B11 | ||||
A3 | TX1- | Serial receive | B10 | ||||
A4 | VBUS | Bus power | First | B9 | VBUS | Bus power | First |
A5 | CC1 | Configuration channel | Second | B8 | |||
A6 | Dp1 | Positive half of USB 2.0 differential pair – position 1 | Second | B7 | Dn2 | Negative half of USB 2.0 differential pair – position 2 | Second |
A7 | Dn1 | Negative half of USB 2.0 differential pair – position 1 | Second | B6 | Dp2 | Positive half of USB 2.0 differential pair – position 2 | Second |
A8 | B5 | CC2 | Configuration channel | Second | |||
A9 | VBUS | Bus power | First | B4 | VBUS | Bus power | First |
A10 | B3 | TX2- | Serial receive | ||||
A11 | B2 | TX2+ | Serial transmit | ||||
A12 | GND | Ground return | First | B1 | GND | Ground return | First |
USB Serial
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TipThe serial port can also be enabled by accessing the Debug Console, but, unlike the above method, the serial port will not remain enabled after a reboot. |
HDMI Output
The HDMI® output is an HDMI 1.4a connector used to send digital video and audio to HDMI-enabled sink devices. It is capable of outputting a maximum video resolution of 1920x1080x60p.
The following table illustrates the pinout of the HDMI connector:
pin | Description | pin | Description |
|---|---|---|---|
1 | TX2p | 2 | Ground |
3 | TX2n | 4 | TX1p |
5 | Ground | 6 | TX1n |
7 | TX0p | 8 | Ground |
9 | TX0n | 10 | TXCp |
11 | Ground | 12 | TXCn |
13 | CEC | 14 | NC |
15 | DDC SCL | 16 | DDC SDA |
17 | Ground | 18 | +5V DDC |
19 | HPD (Hot Plug Detect) | -- |