Introduction
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.
| 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 | 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) |
