User Manual
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14
3.1.6
USB
MG2639_V3 module integrates the USB interface and conforms to USB1.1 interface specifications.
The module can connect the host through the interface and provide up to 12Mbps data rate. Users can
upgrade the software via the interface.
Table 3-5 USB interface signal definitions
Classification
No. Definitions
I/O
Description
Remarks
USB
45
USB_DM
I/O
USB data -
46
USB_DP
I/O
USB data +
3.1.7
ADC
MG2639 module’s 28
th
pin can provide up to 98.1 KSPS sampling rate and 10BIT A/D conversion
function.
Table 3-6 ADC interface signal definitions
Classification
No. Definitions
I/O
Description
Remarks
ADC
28
ADCIN
Input
Analogue signal
input
0-2.8V
Note: the software doesn’t support this interface by default, therefore it requires
customization.
3.1.8
PWM
Table 3-7 PWM interface signal definitions
Classification
No. Definitions
I/O
Description
Remarks
PWM
55
PWM
output
Pulse width
modulation
output
2.8V IO
Note: the software doesn’t support this interface by default, therefore it requires
customization.
3.1.9
LCD
MG2639 V3 module provides a serial LCD interface and supports the LCD device with serial
communication. It supports up to 480*320 resolutions.
Table 3-8 LCD interface signal definitions