Installation Instructions

Table Of Contents

Contribution to Technology · ZLG Electronics

A6G2C Series Core Board

MiniARM Core Board

Product Data Manual

4.6 Buzzer Circuit

Figure 4.11 shows the buzzer reference circuit. The buzzer used in the figure is a passive buzzer. The buzzer

is controlled by PWM_OUT5 by default.

Figure 4.11 Buzzer circuit

4.7 RTC circuit

To ensure accuracy, you are advised to use an external RTC. Figure 4.12 shows the reference circuit. The

RTC chip is PCF85063A. This chip communicates data addresses through I2C, which verifies the analog I2C bus

function of the A6G2C core board.

Figure 4.12 RTC circuit

4.8 LCD Circuit

The A6G2C core board has an LCD controller, which supports a variety of LCD displays such as color TFT

displays. Figure 4.13 shows the reference circuit. J14 is a general-purpose 16-bit LCD interface 0.5mm FFC

connector for industrial control boards of Guangzhou ZLG Electronics Co., Ltd. It contains four-wire resistive

touch screen and other interfaces. This interface is compatible with LCD_TM070RDH12_24B 7-inch LCD kit;

compatible with PC104_VGA conversion board for VGA display; compatible with PC104_LCD conversion board

for LVDS signal LCD screen.

Note: The TFT-4.3A LCD kit supports 24-bit color display. If 16-bit TFT liquid crystal display is used,

TFT_B2 - TFT_B0, TFT_G1 - TFT_G0, TFT_R2 - TFT_R0 are connected to GND.

Passive

BT1 2P, 1.25mm

pitch