Lierda Science & Technology Group Co. Ltd LSD4WF2MD05106 Manuel D’Utilisation
10
Pic 1-7 Developing board (back)
External interface introduction, table: 1-4
Function
Item
Description
External
interface
USB2TTL
UART to USB debugging port, can be used for
power supply
USB DEBUG
USB2.0 debugging interface(reserved)
DC5-18V
5~18V DC input
COM1
RS232
interface
RS485
RS485
interface
JMP1
Preserve
JMP2
Preserve
JMP3
4Pin USB and RS232 debugging choosing port, left
choose USB
JPM6
3Pin RS485
and RS232 debugging choosing port,
no wire jumper choose RS232
EXT_PORT
LSD4WF-2MD05106 GPIO interface expand
JTAG
JTAG data debugging interface
Battery
Lithium battery supply interface
LED
indication
light
Power
3.3V power indication
Sleep_ON
Module standby indication
On：Module is in standby mode
Off：Module is working
nReady
Module start or updating ready indication
On：Module started up
Off：Module not started
Blink：Remote updating, blink frequency in
proportion to download speed