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Documentation > 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 series 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 Table 1) that meet your diverse project demands.

Table 1 GR551x series
Features GR5515IGND GR5515IENDU GR5515I0NDA GR5515RGBD GR5515GGBD GR5513BEND GR5513BENDU
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 128 KB 128 KB
SiP Flash 1 MB 512 KB N/A 1 MB 1 MB 512 KB 512 KB
I/O Number 39 39 39 39 29 22 22
Package (mm)

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)

QFN40 (5 x 5 x 0.75)

Note:

GR5515IENDU and GR5513BENDU are embedded with wide-voltage Flash, with Flash power supply from 1.65 V to 3.6 V.

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