QY-IMX6S-V1.2 Single Board Computer Hardware Manual
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J31
RS485 and GPIO
J32
+5 Power supply output
J33
Audio output
3.2 Jumper Dial-up Setting
Jumper setting:J4 and J7 jumper choose BOOT MODE
J4
J7
BOOT MODE
0
0
BOOT FROM FUSE
0
1
SERIAL DOWNLOADER
1
0
INTERNAL BOOT
1
1
RESERVED
NOTE
:
’0’ means off, ’1’ means jumper on
Dial-up setting
:
SW1 dial-up switch choose BOOT DEVICE
BOOT DEVICE
Dial-up 1
Dial-up 2
Dial-up 3
Dial-up 4
SPI
0
0
1
1
SD
0
1
0
X
EMMC
0
1
1
X
3.3 Pin Definition
J2: UART and CAN
Signal Name
PIN
PIN
Signal Name
J_RXD4
1
2
+5V
J_TXD4
3
4
USBD2-
GND
5
6
USBD2+