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CC2640R2FRHBR Detailed explanation of pin function specifications and circuit principle instructions

The "CC2640R2FRHBR" model is part of Texas Instruments (TI)'s CC2640 family of Bluetooth Low Energy (BLE) devices. Specifically, the model is a CC2640R2F device, and the package "RHBR" corresponds to a QFN-48 (48 pins) package. It is a member of the SimpleLink™ wireless MCU series from TI, used for Bluetooth low energy, Zigbee, Thread, and other wireless protocols.

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1. Pin Function Specifications and Circuit Principle Instructions for the CC2640R2FRHBR

Package Type: QFN-48 Pin Count: 48 pins

Now, let's detail the pin functionality for all 48 pins of the device:

Pin Number Pin Name Pin Function 1 VDD Power Supply Input (3.3V) 2 VSS Ground 3 VDDR Regulated Power Supply for Internal Components 4 V DDS Power Supply for Internal Analog and Digital Blocks 5 IO0 GPIO Pin, used for general input/output or peripheral functions 6 IO1 GPIO Pin, used for general input/output or peripheral functions 7 IO2 GPIO Pin, used for general input/output or peripheral functions 8 IO3 GPIO Pin, used for general input/output or peripheral functions 9 IO4 GPIO Pin, used for general input/output or peripheral functions 10 IO5 GPIO Pin, used for general input/output or peripheral functions 11 IO6 GPIO Pin, used for general input/output or peripheral functions 12 IO7 GPIO Pin, used for general input/output or peripheral functions 13 IO8 GPIO Pin, used for general input/output or peripheral functions 14 IO9 GPIO Pin, used for general input/output or peripheral functions 15 IO10 GPIO Pin, used for general input/output or peripheral functions 16 IO11 GPIO Pin, used for general input/output or peripheral functions 17 IO12 GPIO Pin, used for general input/output or peripheral functions 18 IO13 GPIO Pin, used for general input/output or peripheral functions 19 IO14 GPIO Pin, used for general input/output or peripheral functions 20 IO15 GPIO Pin, used for general input/output or peripheral functions 21 RST_N Reset Pin (Active Low) 22 SCLK SPI Clock Pin 23 MOSI SPI Master Out Slave In 24 MISO SPI Master In Slave Out 25 CS_N Chip Select (SPI) 26 RXD UART Receive Data 27 TXD UART Transmit Data 28 CTS Clear To Send (UART flow control) 29 RTS Request To Send (UART flow control) 30 I2C_SDA I2C Data Line (Bidirectional) 31 I2C_SCL I2C Clock Line 32 PWM0 Pulse Width Modulation Output 0 33 PWM1 Pulse Width Modulation Output 1 34 PWM2 Pulse Width Modulation Output 2 35 PWM3 Pulse Width Modulation Output 3 36 AIN0 Analog Input Channel 0 37 AIN1 Analog Input Channel 1 38 AIN2 Analog Input Channel 2 39 AIN3 Analog Input Channel 3 40 AIN4 Analog Input Channel 4 41 AIN5 Analog Input Channel 5 42 AIN6 Analog Input Channel 6 43 AIN7 Analog Input Channel 7 44 AUXIO0 Auxiliary I/O Pin 0, general-purpose I/O or analog 45 AUXIO1 Auxiliary I/O Pin 1, general-purpose I/O or analog 46 AUXIO2 Auxiliary I/O Pin 2, general-purpose I/O or analog 47 AUXIO3 Auxiliary I/O Pin 3, general-purpose I/O or analog 48 AUXIO4 Auxiliary I/O Pin 4, general-purpose I/O or analog

2. Frequently Asked Questions (FAQ) Regarding CC2640R2FRHBR Pins

Q: What is the voltage range for the VDD pin on the CC2640R2FRHBR? A: The VDD pin is designed for a 3.3V power supply. Q: Can I use the IO pins (like IO0, IO1) for both digital and analog functions? A: Yes, IO pins on the CC2640R2FRHBR can be configured for both digital I/O and analog functions depending on the application. Q: How can I reset the CC2640R2FRHBR chip? A: The reset is controlled by the RST_N pin, which should be pulled low to reset the device. Q: What are the PWM capabilities on the CC2640R2FRHBR? A: The device supports PWM functionality through pins like PWM0, PWM1, PWM2, and PWM3. Q: Is the CC2640R2FRHBR compatible with I2C communication? A: Yes, the CC2640R2FRHBR supports I2C communication via the I2CSDA and I2CSCL pins. Q: How can I use UART for communication? A: UART is supported via the TXD (Transmit Data) and RXD (Receive Data) pins, with optional CTS and RTS flow control. Q: Can the analog pins (AIN0 to AIN7) be used simultaneously with digital I/O? A: No, each pin can either be configured as a digital or analog function, but not both simultaneously. Q: What is the function of the AUXIO pins? A: AUXIO pins (AUXIO0 to AUXIO4) are used for general-purpose I/O or as analog inputs, offering flexible usage options. Q: What is the maximum operating temperature range for the CC2640R2FRHBR? A: The device operates within a temperature range of -40°C to 85°C.

Q: Can I use the CC2640R2FRHBR for BLE applications?

A: Yes, the CC2640R2FRHBR is optimized for Bluetooth Low Energy (BLE) applications.

Q: How many GPIO pins does the CC2640R2FRHBR support?

A: The device supports up to 24 GPIO pins, depending on the package configuration.

Q: Can the CC2640R2FRHBR be programmed via UART?

A: Yes, the device can be programmed using UART for bootloading.

Q: What is the function of the CS_N pin in the CC2640R2FRHBR?

A: The CS_N pin is used for SPI communication to select the device for communication.

Q: Can the CC2640R2FRHBR operate in a low-power mode?

A: Yes, the CC2640R2FRHBR is designed to operate in low-power modes, such as deep sleep.

Q: What is the maximum current consumption of the CC2640R2FRHBR?

A: The current consumption depends on the active mode and can be as low as a few microamps in low-power modes.

Q: How do I use the analog input pins (AIN0 to AIN7)?

A: The analog input pins can be configured to read voltage levels from sensors or other analog sources.

Q: Does the CC2640R2FRHBR support any kind of external interrupts?

A: Yes, the device supports external interrupts through GPIO pins.

Q: What kind of debugging support is available for the CC2640R2FRHBR?

A: The device supports debugging through the SWD interface , which is available via specific pins.

Q: What is the maximum frequency for SPI communication on the CC2640R2FRHBR?

A: The CC2640R2FRHBR supports SPI communication at speeds up to 8 Mbps.

Q: Can I use the CC2640R2FRHBR for audio applications?

A: The CC2640R2FRHBR is not specifically designed for audio applications, but it can interface with external audio components via SPI or I2C.

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