M10 Hardware Design
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Supports 8-bpp (RGB332), 12-bpp (RGB444), 16-bpp (RGB565) color depths
The serial LCD display interface supports serial communication with LCD device. When used
as LCD interface, the following table is the pin definition. LCD interface timing should be
united with the LCD device.
Table 19: Pin definition of the LCD interface
Name
Pin
Function
DISP_RST 5
LCD
reset
DISP_D/C
4
Display data or command select
DISP_CS 3
Display
enable
DISP_CLK
2
Display clock for LCD
DISP_DATA
1
Display data output
Note: This function is not supported in the default firmware. There must be some special
firmware if you want. Please contact Quectel for more details.
3.13 Keypad interface
The keypad interface consists of 5 keypad column outputs and 5 keypad row inputs. The basic
configuration is 5 keypad columns and 5 keypad rows, giving 25 keys.
Table 20: Pin definition of the keypad interface
Name
Pin
Function
KBC0 33
KBC1 34
KBC2 35
KBC3 36
KBC4 37
Keypad matrix column
KBR0 28
KBR1 29
KBR2 30
KBR3 31
KBR4 32
Keypad matrix row
The keypad interface allows a direct external matrix connection. A typical recommended circuit
about the keypad is as shown in the following figure.
M10_HD_V1.00
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Quectel
