Adlink LEC-BASE R1 Manual de usuario descargar pdf (Pagina 22)

16 Interface Signals

2.1.13 I2C (J10)

Table 2-17 lists the pin signals of the I2C header, which provides 2 pins with 0.049" (1.25mm)

pitch. These pins are connected to the SMARC connector over the 3.3 volt level shifter.

2.1.14 Battery (J12)

Table 2-18 lists the pin signals of the battery header, which provides 2 pins with 0.049"

(1.25mm) pitch.

NOTE: Shaded table cells denote power or ground.

2.1.15 LVDS Control (J14)

Table 2-19 lists the pin signals of the Smart Battery header, which provides 8 pins in two rows

with odd/even pin sequence (1,2) and 0.01" (2.54mm) pitch.

NOTE: Shaded table cells denote ground.

2.1.16 TTL Panel Control (PC1)

Table 2-20 lists the pin signals of the TTL Panel Control header, which provides 6 pins in a sin-

gle row with 0.098" (2.50mm) pitch. These pins are connected directly to the display control pins

at the SMARC connector.

Table 2-17: I2C Signals (J10)

Pin # Signal

I2C_GP_DAT_3V (connected to SMARC pin S48)

I2C_GP_CK_3V (connected to SMARC pin S49)

Table 2-18: Battery Signals (J12)

Pin # Signal

V_RTC

GND

Table 2-19: LVDS Control Signals (J14)

Pin # Signal

GND

PNLPWR (display supply voltage, selectable with JP13)

LVDS_BKL_CTRL (backlight control, selectable with JP12)

4 GND

LCD_nEN (backlight enable)

6 GND

Not Connected

BLPWR

(backlight supply voltage, selectable with JP14)

Table 2-20: LVDS Control Signals (PC1)

Pin # Signal

LCD_DE (connected over the 3.3 volt level shifter)

LCD_BKLT_PWM

LCD_VDD_EN

4 Not Connected

5 Not Connected

6 LCD_RESET (Active Low)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30

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