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文档中心 > GR551x Datasheet/ GR551x Overview Copy URL

GR551x Overview

The Goodix GR551x family is a single-mode, low-power Bluetooth 5.1 System-on-Chip (SoC). It can be configured as a Broadcaster, an Observer, a Central, or 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.

Based on ARM® Cortex®-M4F CPU core, the GR551x integrates Bluetooth 5.1 Protocol Stack, a 2.4 GHz RF transceiver, on-chip programmable Flash memory, RAM, and multiple peripherals.

GR551x SoCs are available in multiple packages (see 表 1) that meet your diverse project demands.

表 1 GR551x series
GR551x Series GR5515IGND GR5515IENDU GR5515I0ND GR5515I0NDA GR5515RGBD GR5515GGBD GR5513BEND
CPU Cortex®-M4F Cortex®-M4F Cortex®-M4F Cortex®-M4F Cortex®-M4F Cortex®-M4F Cortex®-M4F
RAM 256 KB 256 KB 256 KB 256 KB 256 KB 256 KB 128 KB
Flash 1 MB 512 KB N/A N/A 1 MB 1 MB 512 KB
Package (mm)

QFN56 (7 x 7 x 0.75)

QFN56 (7 x 7 x 0.75)

QFN56 (7 x 7 x 0.75)

QFN56 (7 x 7 x 0.75)

BGA68 (5.3 x 5.3 x 0.88)

BGA55 (3.5 x 3.5 x 0.60)

QFN40 (5 x 5 x 0.75)

I/O Number 39 39 39 39 39 29 22
Note:
  • GR5515RGBD is not recommended for new designs.
  • GR5515IENDU is embedded with wide-voltage Flash, with Flash power supply from 1.65 V to 3.6 V.
  • GR5515I0ND supports external high-voltage Flash (typical: 3.3 V); GR5515I0NDA supports external wide-voltage Flash (range: 1.65 V–3.6V).

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