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3
1.5 Communication port
Interface NO.
Name
Type
Description
1
NC
Empty
Spare
2
VDD
DC power supply
DC3.3V
3
GND
Digital ground
GND
4
Rx
Input
Serial input port TTL level
5
Tx
output
Serial input port TTL level
6
USB_D-
Input / output
USB_D- signal
7
USB_D+
Input / output
USB_D+ signal
8
NC
Empty
Spare
9
BPR
output
Buzzer output signal
10
LED
output
Indicator light output signal
11
NC
Input
Reset signal input, Active low. Maintain
more than100us can reset product.
12
TRIG
Input
Trigger to scan
Содержание E3000
Страница 1: ...第 1 页 共 50 页 consumption NADAMOO User Guide This User Guide Applies to E3000 H E3100 H V1 1 1 ...
Страница 12: ...4 1 6 Peripheral circuit diagram 1 6 1 buzzer 1 6 2 button ...
Страница 44: ...36 Reset to default configuration 9 Cancel Change setting or cancel one wrong barcode by scan this barcode ...
Страница 50: ......