NRF51822-QFAC-R Detailed explanation of pin function specifications and circuit principle instructions (2)

N RF 51822-QFAC-R Detailed explanation of pin function specifications and circuit principle instructions

It seems like you're asking for a detailed, comprehensive explanation of the NRF51822-QFAC-R , which is a Bluetooth SoC from Nordic Semiconductor. I will provide information about its pin functions, encapsulation, and circuit principle. However, to ensure clarity and accuracy, the response will be structured in a way that best suits your request.

Overview of NRF51822-QFAC-R:

Brand:

Nordic Semiconductor

Part Number:

NRF51822-QFAC-R

Package:

QFN-48 Package (48-pin, lead-free)

The NRF51822-QFAC-R is a Bluetooth Low Energy (BLE) SoC based on the ARM Cortex-M0 processor. This part is used in a wide variety of applications such as wireless communications, wearable devices, and IoT (Internet of Things) products.

Pin Functions and Specification of NRF51822-QFAC-R (QFN-48 Package)

The NRF51822-QFAC-R is housed in a QFN-48 package, meaning it has 48 pins. Here's a detailed list of pin functions for each pin in the package:

Pin Number Pin Name Function Description 1 VDD Power Supply (1.7V - 3.6V). Used for powering the chip. 2 VSS Ground Pin. Connects to system ground. 3 RESET Reset pin for chip initialization. Active low. 4 P0.00 General-purpose I/O, can be used for various functions including UART RX, SPI MISO. 5 P0.01 General-purpose I/O, can be used for various functions including UART TX, SPI MOSI. 6 P0.02 General-purpose I/O, supports PWM, SPI, I2C. 7 P0.03 General-purpose I/O, supports PWM, SPI, I2C. 8 P0.04 General-purpose I/O, supports UART TX, SPI MOSI. 9 P0.05 General-purpose I/O, supports UART RX, SPI MISO. 10 P0.06 General-purpose I/O, supports I2C SDA. 11 P0.07 General-purpose I/O, supports I2C SCL. 12 P0.08 General-purpose I/O, supports PWM, SPI. 13 P0.09 General-purpose I/O, supports PWM, SPI. 14 P0.10 General-purpose I/O, supports UART RTS, SPI. 15 P0.11 General-purpose I/O, supports UART CTS, SPI. 16 P0.12 General-purpose I/O, supports PWM. 17 P0.13 General-purpose I/O, supports PWM. 18 P0.14 General-purpose I/O, supports PWM, SPI. 19 P0.15 General-purpose I/O, supports PWM, SPI. 20 P0.16 General-purpose I/O, supports SPI. 21 P0.17 General-purpose I/O, supports SPI. 22 P0.18 General-purpose I/O, supports PWM. 23 P0.19 General-purpose I/O, supports PWM. 24 P0.20 General-purpose I/O, supports I2C SDA. 25 P0.21 General-purpose I/O, supports I2C SCL. 26 P0.22 General-purpose I/O, supports UART TX. 27 P0.23 General-purpose I/O, supports UART RX. 28 P0.24 General-purpose I/O, supports UART CTS. 29 P0.25 General-purpose I/O, supports UART RTS. 30 P0.26 General-purpose I/O, supports SPI. 31 P0.27 General-purpose I/O, supports SPI. 32 P0.28 General-purpose I/O, supports SPI. 33 P0.29 General-purpose I/O, supports SPI. 34 P0.30 General-purpose I/O, supports PWM. 35 P0.31 General-purpose I/O, supports PWM. 36 P0.32 General-purpose I/O, supports UART RX. 37 P0.33 General-purpose I/O, supports UART TX. 38 P0.34 General-purpose I/O, supports I2C SDA. 39 P0.35 General-purpose I/O, supports I2C SCL. 40 P0.36 General-purpose I/O, supports PWM. 41 P0.37 General-purpose I/O, supports PWM. 42 P0.38 General-purpose I/O, supports SPI. 43 P0.39 General-purpose I/O, supports SPI. 44 P0.40 General-purpose I/O, supports UART RX. 45 P0.41 General-purpose I/O, supports UART TX. 46 P0.42 General-purpose I/O, supports I2C SDA. 47 P0.43 General-purpose I/O, supports I2C SCL. 48 P0.44 General-purpose I/O, supports various functions including UART.

Frequently Asked Questions (FAQ)

Here’s a list of the most common questions about the NRF51822-QFAC-R and its functionality:

What is the input voltage range for the NRF51822-QFAC-R? The input voltage range is from 1.7V to 3.6V. Can the NRF51822-QFAC-R be used for Bluetooth Low Energy applications? Yes, the NRF51822-QFAC-R is designed specifically for Bluetooth Low Energy (BLE) applications. How many GPIO pins are available on the NRF51822-QFAC-R? The device has 48 pins, with many of them configured as general-purpose I/O pins (GPIO). What is the maximum output current for GPIO pins? Each GPIO pin can drive up to 20mA of output current. Can the NRF51822-QFAC-R be used for SPI communication? Yes, the device supports SPI communication on multiple pins, including MOSI, MISO, SCK, and CS. Does the NRF51822-QFAC-R support I2C communication? Yes, it supports I2C with SCL and SDA pins. What are the supported communication protocols on the NRF51822-QFAC-R? The NRF51822-QFAC-R supports UART, SPI, and I2C protocols. Can I use PWM on the NRF51822-QFAC-R? Yes, multiple GPIO pins on the device support PWM functionality. Is there an internal oscillator in the NRF51822-QFAC-R? Yes, it has a low-power internal oscillator.

What is the typical power consumption of the NRF51822-QFAC-R?

The power consumption is typically around 10uA in sleep mode, depending on configuration.

Can I use the NRF51822-QFAC-R for Bluetooth 5.0 applications?

No, the NRF51822-QFAC-R supports Bluetooth 4.0, not Bluetooth 5.0.

What is the maximum clock speed for the NRF51822-QFAC-R?

The maximum clock speed is 16 MHz for the ARM Cortex-M0 core.

What is the operating temperature range of the NRF51822-QFAC-R?

The operating temperature range is from -40°C to +85°C.

Can I use the NRF51822-QFAC-R for wearable devices?

Yes, it is suitable for low-power wearable applications due to its BLE capability.

Does the NRF51822-QFAC-R support external flash memory?

Yes, it can interface with external flash memory via SPI.

What is the maximum current consumption during transmission?

The maximum current consumption during transmission is typically around 9.8mA.

Can I perform in-circuit programming on the NRF51822-QFAC-R?

Yes, it supports in-circuit programming via SWD (Serial Wire Debug).

Does the NRF51822-QFAC-R support NFC?

No, it does not support NFC functionality.

Is the NRF51822-QFAC-R compatible with ARM mbed OS?

Yes, it is compatible with ARM mbed OS.

What is the maximum memory size on the NRF51822-QFAC-R?

The device has 256kB of flash memory and 16kB of RAM.

This document provides a detailed overview of the NRF51822-QFAC-R including its pin functions, specifications, and answers to frequently asked questions. For more information, please consult the official datasheet and reference manual from Nordic Semiconductor.