Introduction
The Goodix GR533x series is a System-on-Chip (SoC) that supports Bluetooth 5.3 and Bluetooth Mesh, making it an ideal choice for applications including Internet of Things (IoT).
Based on 64 MHz ARM® Cortex®-M4F CPU core, the GR533x series integrates a 2.4 GHz RF transceiver, Bluetooth LE 5.3 Protocol Stack, on-chip 512 KB Flash, 64 KB/96 KB system SRAM, and multiple peripherals. It provides outstanding RF performance, with a maximum TX power of +15 dBm, an RX sensitivity of -99 dBm in Bluetooth LE 1 Mbps mode, achieving an overall link budget of up to 114 dB.
The GR533x series supports connection between multiple centrals and multiple peripherals. It can be configured as a Broadcaster, an Observer, a Peripheral, or a Central, and supports the combination of all the above roles.
GR533x series comes in two package choices: QFN32 and QFN48 packages. The specific configurations are listed below.
| GR533x Series | GR5330AENI | GR5331AENI | GR5331CENI | GR5332AENE | GR5332CENE |
|---|---|---|---|---|---|
| CPU | Cortex®-M4F | Cortex®-M4F | Cortex®-M4F | Cortex®-M4F | Cortex®-M4F |
| RAM | 64 KB | 96 KB | 96 KB | 96 KB | 96 KB |
| SiP Flash | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| I/O Number | 16 | 16 | 32 | 16 | 32 |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 105°C | -40°C to 105°C |
| Package (mm) | QFN32 (4 x 4 x 0.75) | QFN32 (4 x 4 x 0.75) | QFN48 (6 x 6 x 0.75) | QFN32 (4 x 4 x 0.75) | QFN48 (6 x 6 x 0.75) |
