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Overview

GR5526 Introduction

GR5526 series is a high-performance Bluetooth 5.3 SoC that supports Bluetooth LE direction finding (AoA/AoD) and LE Audio features. For more details, please click GR5526.



Key Features
  • ARM® Cortex®-M4F 32-bit CPU
  • Bluetooth LE 5.3 transceiver integrating Controller and Host layers
  • Supported data rates: 1 Mbps, 2 Mbps, LR (500 Kbps, 125 Kbps)
  • RX Sensitivity: -98 dBm (in 1 Mbps mode), -94 dBm (in 2 Mbps mode), -101 dBm (in LR 500 Kbps mode), -104 dBm (in LR 125 Kbps mode)
  • TX power: -20 dBm to +7 dBm
  • TX current: 4.0 mA @ 0 dBm, 1 Mbps, 96 MHz system clock
  • RX current: 3.5 mA @ 1 Mbps, 96 MHz system clock
  • Memory: 512 KB RAM, 1 MB SiP Flash, 8 MB SiP PSRAM (Optional)
  • Supply voltage: 2.4 V to 4.35 V; I/O voltage: 1.8 V to 3.6 V
  • Peripherals: QSPI, SPI, DSPI, OSPI I2S, I2C, UART, DMA, USB, ADC, PDM, PWM, Timer, GPIO, ISO7816, DC (Optional)
  • Security: AES, HMAC, PKC, TRNG
  • Supply voltage: 2.4 V to 4.35 V; I/O voltage: 1.8 V to 3.6 V
  • Packages: BGA83, QFN68

Certification

SIG BQB Qualified in accordance with the requirements of the Bluetooth SIG.The Qualified Designs ID (QDID) for GR5526 is 179976.



Product Part Number

GR5526 series is available in multiple packages that meet your diverse project demands.
Part Number Status CPU RAM Flash PSRAM GPU + DC I/O Number Package Operating Temperature
GR5526VGBIP Active Cortex®-M4F 512 KB 1 MB 8 MB Supported 50

BGA83

4.3 x 4.3 mm

-40℃~85℃
GR5526VGBI Active Cortex®-M4F 512 KB 1 MB N/A N/A 50

BGA83

4.3 x 4.3 mm

-40℃~85℃
GR5526RGNIP Active Cortex®-M4F 512 KB 1 MB 8 MB Supported 48

QFN68

7.0 x 7.0 mm

-40℃~85℃
GR5526RGNI Active Cortex®-M4F 512 KB 1 MB N/A N/A 48

QFN68

7.0 x 7.0 mm

-40℃~85℃

GR551x Introduction

GR551x series is a high-performance Bluetooth 5.1 SoC that is widely used in mobile devices, wearables and Internet of Things (IoT) products. For more details, please click GR551x.



Key Features
  • ARM® Cortex®-M4F 32-bit CPU
  • Bluetooth Low Energy (LE) 5.1 transceiver integrates Controller and Host layers
  • Supported data rates: 1 or 2 Mbps, Long Range 500 or 125 kbps
  • Sensitivity : -97 dBm (in 1 Mbps mode), -93 dBm (in 2 Mbps mode)
  • TX current: 3.05 mA @0dBm, 1 Mbps; RX current: 3.9 mA @1Mbps
  • Memory: 256 KB or 128 KB RAM, 1 MB Flash for GR5515 series SoCs and 512 KB Flash for the GR5513 SoC (exceptions: GR5515I0ND/GR5515I0NDA requiring external QSPI Flash and GR5515IENDU requiring 512 KB embedded Flash)
  • Supply voltage: 1.7 V to 3.8 V; I/O voltage: 1.8 V to 3.3 V (Typical)
  • Peripherals: QSPI, SPI, I2S, I2C, UART, ADC, PWM, Calendar Timer, ISO7816
  • Security: AES, HMAC, PKC, TRNG
  • Packages: QFN56, BGA68, BGA55, QFN40

Certification

PSA Certified and gain SIG BQB Qualified in accordance with the requirements of the Bluetooth SIG.The Qualified Designs ID (QDID) for GR551x is 119449.



Product Part Number

GR551x series is available in multiple packages that meet your diverse project demands.
Part Number Status CPU RAM Flash PSRAM GPU + DC I/O Number Package Operating Temperature
GR5515IGND Active Cortex®-M4F 256 KB 1 MB N/A N/A 39

QFN56

7.0 x 7.0 mm

-40℃~85℃
GR5515IENDU Active Cortex®-M4F 256 KB 512 KB N/A N/A 39

QFN56

7.0 x 7.0 mm

-40℃~85℃
GR5515I0NDA Active Cortex®-M4F 256 KB N/A N/A N/A 39

QFN56

7.0 x 7.0 mm

-40℃~85℃
GR5515RGBD NRND Cortex®-M4F 256 KB 1 MB N/A N/A 39

BGA68

5.3 x 5.3 mm

-40℃~85℃
GR5515GGBD Active Cortex®-M4F 256 KB 1 MB N/A N/A 29

BGA55

3.5 x 3.5 mm

-40℃~85℃
GR5513BEND NRND Cortex®-M4F 128 KB 512 KB N/A N/A 22

QFN40

5.0 x 5.0 mm

-40℃~85℃
GR5513BENDU Active Cortex®-M4F 128 KB 512 KB N/A N/A 22

QFN40

5.0 x 5.0 mm

-40℃~85℃

Hardware

GR5515 Starter Kit allows you to get familiar with GR551x-related development tools,quickly develop product prototype, and verify related functions. GR551x Hardware Design Guidelines provides recommendations for the design and development of Bluetooth LE devices.GR551x Starter Kit User Guide helps you get started with the GR5515 Starter Kit Board quickly.



PLT Board and GRPLT Lite Config Tool are proprietary hardware and software for testing GR551x offline in the production line prior to mass production



SDK

  • SDK supports full functionality of Bluetooth Low Energy Stack (Bluetooth 5.1)
  • Supports multiple peripherals including GPIO, Timer, WDT, I2C, UART, SPI, QSPI, ADC, I2S, ISO 7816, PWM, AES, HMAC, PKC and TRNG
  • Reference examples for all Bluetooth LE device roles and GATT profiles/services
  • Provides a rich set of libraries and peripheral examples
  • Examples for DTM testing, and power consumption evaluation and testing
  • OTA and fast DFU
  • FreeRTOS
  • Firmware encryption and download
  • Low-power operation in sleep modes
  • Debugging with J-Link RTT
  • Development on Windows or Linux; toolchains of Keil, IAR, and GCC are supported


Tools

GR551x provides a variety of powerful, yet easy to use tools available for the developers.

  • GProgrammer : A firmware programming tool for GR551x series.
  • GRToolbox : A mobile App customized for Goodix Bluetooth Low Energy products.
  • GRUart : A PC tool for debugging serial ports.
  • GRPLT Lite Config Tool : A configuration tool for PLT Lite.

Documentation

Support

We provide a wide range of online resources that are accessible anytime, anywhere at Goodix offical website

Get answers to the most popular Community Q&A and easily learn from others by Blogs

Ecosystem Support
  • PSA
  • OpenHarmony
  • Tuya
  • Amazon FreeRTOS
  • Apple Find My
Email us for any questions or problems you might have during the development process:
  • Dev: developers@reg.goodix.com
  • Doc: docs@reg.goodix.com

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