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Jumper Settings
Boot-CFG
Internal Boot (default)
Serial Downloader
EMMC@eSDHC (default)
uSD@eSDHC2
Audio
Mic Input
GND
R-CH
L-CH
Pin Assignments for I/O Connectors
J3 USB 2.0 Headers (3/4)
Pin
Assignment
1
+5VUSBHDR
3
USBH_DN_HDR1
5
USBH_DP_HDR1
7
GND
9
---
J10 Debug(COM1)
Pin
Assignment
1
VDD_3V3
2
DEBUG_UART1_RXD
3
DEBUG_UART1_TXD
4
GND
J8 I2C
Pin
Function
1
VDD_3v3/+VTP_3V3
3
TP_SCL
5
TP_SDA
Quick Reference | M8M051
JP1
1-2 Off
1-2 On
5-6 Off
5-6 On
JP4
1
2/3/5
4
6
Pin
Assignment
2
+5VUSBHDR
4
USBH_DN_HDR2
6
USBH_DP_HDR2
8
GND
10
---
Pin
Function
2
GND
4
TP_ALT#
6
TP_RST#
LED Backlight
Signal Voltage 5V
Signal Voltage 3.3V
(DEVELOPING)
Backlight Power 12V (default) 5-6 On
Backlight Power 5V
JP5
1-2 Off
1-2 On
3-4 On
2
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