Service Manual
13 VOL_GPIO1 Volume control knob input
14 VOL_GPIO2 Volume control knob input
15 KNOB_C Navigation knob input
16 BACKLED_CTRL Backlight control signal output
17
OUT_TX-RST
LCD reset signal
18 KB_C0
19 KB_C1
20 KB_C2
Keypad matrix signal output
21 KB_R0
22 KB_R1
Keypad matrix signal input
23 DC_PWR_LED_CTRL DC power LED control
24 LED_S/P_EN IO chip select signal
25 S/P_CLK IO chip clock signal
26 S/P_DAT IO chip data signal
27
OE_LCD
LCD read signal
28
WE_LCD
LCD write signal
29 CS2_LCD LCD chip select signal
30 F_A1_LCD LCD command/data address selection
31 F_D7_LCD
32 F_D6_LCD
33 F_D5_LCD
34 F_D4_LCD
35 F_D3_LCD
36 F_D2_LCD
37 F_D1_LCD
38 F_D0_LCD
LCD data bus
39 GND
For grounding
40 5V_GPS 5V power supply for front panel
Table 6-2 40-Pin Interface Description
9
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