User Manual

HF-LPB200 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
- 10 -
Table 2 HF-LPB200 Pins Definition
Pin
Net Name
Signal Type
Comments
1,17,32,48
GND
Power
2
JTAG_TCK
I, PU
JTAG/Debug functional pin,
No connect if not use.
No connect
3
JTAG_TDO
O
4
JTAG_TDI
I,PU
5
JTAG_TMS
I,PU
6
JTAG_nTRST
I,PU
7
Sleep_RQ
I.PU
GPIO7, No connect if not use.
8
Sleep_ON
O
GPIO8, No connect if not use.
9
DVDD
Power
10
GPIO10
I/O,PU
GPIO10, No connect if not use.
11
ADC1
I/O
GPIO11, No connect if not use.
12
ADC2
I/O
GPIO12, No connect if not use.
13
GPIO13
I/O
GPIO13, No connect if not use.
14
GPIO14
I/O
GPIO14, No connect if not use.
15
N.C
No connect (Must Float)
16
USB_PIO
I/O
USB dedicated interface.
18
PWM_1
I/O
GPIO18, No connect if not use.
19
USB_VBUS
I
USB dedicated interface.
20
PWM_2
I/O
GPIO20, No connect if not use.
21
USB-
I/O
90 ohm Diff. Line
22
USB+
I/O
90 ohm Diff. Line
23
PWM_3
I/O
GPIO23, No connect if not use.
24
PWM_4
I/O
GPIO24, No connect if not use.
25
I2C_SCL
I/O
GPIO25, No connect if not use.
26
I2C_SDA
I/O
GPIO26, No connect if not use.
27
SPI_MISO
I
GPIO27, No connect if not use.
28
SPI_CLK
I/O
GPIO28, No connect if not use.
29
SPI_CS
I/O
GPIO29, No connect if not use.
30
SPI_MOSI
O
GPIO30, No connect if not use.
31
DVDD
Power
33
N.C
No connect
34
DVDD
Power
35
N.C
No connect
36
N.C
No connect
37
N.C
No connect
38
N.C
No connect
39
UART0_TX
O
UART Communication Pin
40
UART0_RTS
I/O
UART Pin (Or RS485 Control)
41
UART0_RX
I
UART Communication Pin
42
UART0_CTS
I/O
UART Communication Pin
43
nLink
O
“0”- Wi-Fi Linked
“1”- No WIFI Linked
No connect if not use.
44
nReady
O
“0” – Boot-up OK;