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GR5526 Overview

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

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

SiP PSRAM

8 MB

N/A

8 MB

N/A

GPU + DC

Supported

N/A

Supported

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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