General Description

HF-PICOW is a Raspberry Pi RP2040 microcontroller board with WiFi&BLE module HF-LPT270 on it.

HF-PICOW has been designed to be a low cost yet flexible development platform for RP2040 with wireless support and the following key features:

lRP2040 microcontrollerwith 2MB of flash memory

lOn-board single-band 2.5GHz wireless module HF-LPT270(802.11bgn, Bluetooth 5.0)

lMicro USB B port for power and data (and for reprogramming the flash)

l40-pin 21mm×51mm 'DIP' style 1mm thick PCB with 0.1" through-hole pins also with edge castellations

nExposes 26 multi-function 3.3V general purpose I/O (GPIO)

n23 GPIO are digital-only, with three also being ADC capable

nCan be surface-mounted as a module

l3-pin Arm serial wire debug (SWD) port

lSimple yet highly flexible power supply architecture

nVarious options for easily powering the unit from microUSB, external supplies or batteries

lHigh quality, low cost, high availability

lComprehensive SDK, software examples and documentation

For full details of the RP2040 microcontroller please see the RP2040 Datasheet. Key features include:

lDual-core cortex M0+ at up to 133MHz

nOn-chip PLL allows variable core frequency

l264kB multi-bank high performance SRAM

lExternal Quad-SPI flash with eXecute In Place (XIP) and 16kB on-chip cache

lHigh performance full-crossbar bus fabric

lOn-board USB1.1 (device or host)

l30 multi-function general purpose I/O (four can be used for ADC)

n1.8-3.3V I/O voltage

l12-bit 500ksps analogue to digital converter (ADC)

lVarious digital peripherals

n2 × UART, 2 × I2C, 2 × SPI, 16 × PWM channels

n1 × timer with 4 alarms, 1 × real time clock

l2 × programmable I/O (PIO) blocks, 8 state machines in total

nFlexible, user-programmable high-speed I/O

nCan emulate interfaces such as SD card and VGA

HF-PICOW provides a minimal yet flexible external circuitry to support the RP2040 chip: flash memory, a crystal, power supplies and decoupling, and USB connector. The majority of the RP2040 microcontroller pins are brought to the user I/O pins on the left and right edge of the board. Four RP2040 I/O are used for internal functions: on-board switch mode power supply (SMPS) power control, and sensing the system voltages.

HF-PICOW has an on-board 2.4GHz wireless interface using an HF-LPT270 module. HF-PICOW-1 for PCB antenna(with HF-LPT270-1 on it) or HF-PICOW-0 for 1gen IPEX connector(with HF-LPT270-0 on it), RP2040 use UART interface to communicate with inside HF-LPT270.

HF-PICOW has been designed to use either soldered 0.1-inch pin-headers (it is one 0.1-inch pitch wider than a standard 40-pin DIP package), or to be positioned as a surface-mountable 'module', as the user I/O pins are also castellated. There are SMT pads underneath the USB connector and BOOTSEL button, which allow these signals to be accessed if used as a reflow-soldered SMT module.

More about our HF-LPT270 module information, refer to our website.

http://www.hi-flying.com/hf-lpt270?search=HF-LPT270