GT1216&LTP1218 Multi-Function EVB User Guide

Shenzhen Longsys Technology Co., Ltd

www.Longsys.com

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Room 306-310, Building 4, Software Park 1, Nanshan District, Shenzhen, China

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3.2 UART&USB OPTION

If user need to use USB mode (download or test), only need to press the button (J6), if you use

UART mode (debug software) only need to release the button.

Table 3-1 J3

Left

Pin

Right Pin

Button

Description

1216_USB_DN

1216_USB_DP

↓

USB

USB_DN

USB_DP

CP2102_USB_DN

CP2102_USB_DP

↑

UART

Figure 3-3

3.3 RXD Option

For the UART RXD, users need to choose HM0 or UART0 by the software, and then you can select

one by shorting J26.2&J26.3 or J26.4&J26.3. (2or4)

Table 3-2 J26

Pin

Description

1

VCC

2

HM0

3

RXD

4

UART0

5

TXD

6

GND