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Documentation > GR5526 Developer Guide/ Introduction Copy URL


The Goodix GR5526 family is a single-mode low-power System-on-Chip (SoC) that supports Bluetooth 5.3. It can be configured as a Broadcaster, an Observer, a Central, or a Peripheral, and supports the combination of all the above roles; in addition, it supports Bluetooth Low Energy (Bluetooth LE) direction finding: angle of arrival (AoA) and angle of departure (AoD), as well as LE isochronous channels (LE Audio), making it an ideal choice for Internet of Things (IoT), LE Audio, and smart wearable devices.

Based on ARM® Cortex®-M4F CPU core, the GR5526 series integrates Bluetooth 5.3 Protocol Stack, a 2.4 GHz RF transceiver, on-chip programmable Flash memory, RAM, multiple peripherals, enhanced I2C/UART port number for sensor applications, as well as expanded I/O functionality. GR5526 delivers a feature-rich display and graphics solution by providing the choice of graphics acceleration (GPU + DC) and internal/external system-in-package (SiP) pseudostatic RAM (PSRAM) to accommodate display while still leaving plenty of space for wearable schemes.

GR5526 series comes in two package choices: BGA83 and QFN68 (as shown in the table below), that can meet diverse application scenarios.

Table 1 GR5526 series
Features GR5526VGBIP GR5526VGBI GR5526RGNIP GR5526RGNI
CPU Cortex®-M4F Cortex®-M4F Cortex®-M4F Cortex®-M4F
RAM 512 KB 512 KB 512 KB 512 KB
SiP Flash 1 MB 1 MB 1 MB 1 MB
GPU + DC Yes N/A Yes N/A
I/O number 50 50 48 48
Package (mm) BGA83 (4.3 x 4.3 x 0.96) BGA83 (4.3 x 4.3 x 0.96) QFN68 (7.0 x 7.0 x 0.85) QFN68 (7.0 x 7.0 x 0.85)

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