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HF-LPS170 Wi-Fi&BLE User Manual 

 

Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

 

- 11 - 

Pin 

Description 

Net Name 

Signal Type 

Comments 

 

BT_HOST_WAK

E_DEV 

I/O 

3.3V Voltage 
GPIO12 
SPI, I2C, PWM, ADC

 

 

BT_DEV_WAKE

_HOST 

I/O 

3.3V Voltage 
GPIO11 
SPI, I2C, PWM, ADC 

Module 

Reset 

EXT_RESET 

I,PU 

3.3V Voltage 
“Low” effective reset input. There is RC 
reset circuit internally. No need of 
external RC reset circuit. 

+3.3V Power 

VDD 

Power 

 

12 

 

WL_DIS# 

I/O 

VDDIO Voltage (1.8V/3.3V) 
GPIO21 
SPI, I2C, PWM 

13 

 

WL_DEV_WAKE

_HOST 

I/O 

VDDIO Voltage (1.8V/3.3V) 
GPIO20 
SPI, I2C, PWM 

14 

 

SD_D2 

I/O 

VDDIO Voltage (1.8V/3.3V) 
SDIO DATA2, GPIO4 

15 

 

SD_D3 

I/O 

VDDIO Voltage (1.8V/3.3V) 
SDIO DATA3, GPIO5 

16 

 

SD_CMD 

I/O 

VDDIO Voltage (1.8V/3.3V) 
SDIO CMD, GPIO1 

17 

 

SD_CLK 

I/O 

VDDIO Voltage (1.8V/3.3V) 
SDIO CLK, GPIO0 

18 

 

SD_D0 

I/O 

VDDIO Voltage (1.8V/3.3V) 
SDIO DATA0, GPIO2 

19 

 

SD_D1 

I/O 

VDDIO Voltage (1.8V/3.3V) 
SDIO DATA1, GPIO3 

22 

IO Power  

VDDIO 

Power 

3.3V or 1.8V Power Input 

24 

 

32L_IN 

Analog 

32.768K clock in, leave it open if not 
use 

34 

 

BT_DIS# 

I/O 

VDDIO Voltage (1.8V/3.3V) 
GPIO22 
SPI, I2C, PWM 

41 

UART_RTS 

UART_RTS 

I/O 

VDDIO Voltage (1.8V/3.3V) 
GPIO17 
SPI, I2C, PWM 

42 

UART_TX 

UART_TX 

I/O 

VDDDIO Voltage (1.8V/3.3V) UART 
Communication Output 
GPIO16 

43 

UART_RX 

UART_RX 

I/O 

3.3V UART Communication Input 

GPIO7

 

44 

UART_CTS 

UART_CTS 

I/O 

3.3V Voltage 
GPIO14 
SPI, I2C, PWM, ADC, DAC

 

Note: 

VDDIO

Some IO use this IO voltage, if input 1.8V, then these IO all use 1.8V voltage. 

NC

means no connection. it is unconnected and useless. 

Summary of Contents for HF-LPS170

Page 1: ...Module User Manual V 1 3 Overview of Characteristic Support Wi Fi IEEE802 11b g n and BLE5 0 Wireless Standards Based on RISC SOC 160MHz CPU 276KB RAM 2MB Flash Support SDIO Interface Provide Linux D...

Page 2: ...VIEW 6 1 1 General Description 6 1 1 1 Wireless 6 1 1 2 MCU Subsystem 7 1 1 3 Memory 7 1 1 4 Security 7 1 1 5 Peripheral 7 1 1 6 Power MSecurity 8 1 1 7 Clock 8 1 1 8 Device Paremeters 8 1 2 Hardware...

Page 3: ...l Shanghai High Flying Electronics Technology Co Ltd www hi flying com 3 LIST OF FIGURES Figure 1 HF LPS170 Block Diagram 6 Figure 2 HF LPS170 Appearance 9 Figure 3 HF LPS170 Pins Map 10 Figure 4 HF L...

Page 4: ...High Flying Electronics Technology Co Ltd www hi flying com 4 LIST OF TABLES Table1 HF LPS170 Module Technical Specifications 8 Table2 HF LPS170 Pins Definition 10 Table3 Electrical Characteristics 1...

Page 5: ...ying Electronics Technology Co Ltd www hi flying com 5 HISTORY Ed V1 0 07 21 2020 First Version Ed V1 1 07 27 2020 Update IO voltage Ed V1 2 11 03 2020 Update Kernel requirement update GPIO_8 descript...

Page 6: ...Wi Fi 802 11bgn and BLE5 0 baseband MAC designs Microcontroller subsystem contains a low power 32 bit RISC CPU high speed cache and memories Power Management Unit controls low power modes Moreover va...

Page 7: ...t RISC CPU with FPU Level 1 Cache One RT timer up to one year Two 32b general purpose timers Four DMA channels DFS from 1MHz to 192MHz The HF LPS170 module is a Wi Fi and BLE combo module for ultra lo...

Page 8: ...1 b g n Frequency range 2 412GHz 2 462GHz Transmit Power 802 11b 16 2dBm 11Mbps 802 11g 14 2dBm 54Mbps 802 11n 13 2dBm HT20 MCS7 Receiver Sensitivity 802 11b 87 dBm 11Mbps CCK 802 11g 73 dBm 54Mbps OF...

Page 9: ...gh Flying Electronics Technology Co Ltd www hi flying com 9 Humidity 85 Dimensions and Size 12mm x 12mm Software Parameters Driver Linux 1 2 Hardware Introduction HF LPS170 Wi Fi module appearance is...

Page 10: ...Pins Definition Pin Description Net Name Signal Type Comments 1 3 20 31 33 36 Ground GND Power 2 RF_O Analog Antenna Signal 5 GPIO_8 IPD 3 3V Voltage default 10K pull down Boot Select Low boot from i...

Page 11: ...IO Voltage 1 8V 3 3V SDIO DATA3 GPIO5 16 SD_CMD I O VDDIO Voltage 1 8V 3 3V SDIO CMD GPIO1 17 SD_CLK I O VDDIO Voltage 1 8V 3 3V SDIO CLK GPIO0 18 SD_D0 I O VDDIO Voltage 1 8V 3 3V SDIO DATA0 GPIO2 19...

Page 12: ...3 3V otherwise module will fail to bootup Wi Fi and BLE driver firmware need to programmed into module see driver for more detail If GPIO_8 set to High 3 3V module boot from external module only supp...

Page 13: ...xternal antenna PAD option for user dedicated application If user select external antenna HF LPS170 Wi Fi modules must be connected to the 2 4G antenna according to IEEE 802 11b g n standards We can p...

Page 14: ...h can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase t...

Page 15: ...s above are met further transmitter test will not be required However the OEM integrator is still responsible for testing their end product for any additional compliance requirements required with thi...

Page 16: ...ww hi flying com en END OF DOCUMENT Copyright High Flying May 2011 The information disclosed herein is proprietary to High Flying and is not to be used by or disclosed to unauthorized persons without...

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