Bluetooth Low Energy 5.3 transceiver integrating Controller and Host layers

• Supported data rates: 1 Mbps, 2 Mbps, and Long Range (500 kbps, 125 kbps)

• TX power: -20 dBm to +7 dBm

• -98 dBm sensitivity (in 1 Mbps mode)

• -94 dBm sensitivity (in 2 Mbps mode)

• -101 dBm sensitivity (in Long Range 500 kbps mode)

• -104 dBm sensitivity (in Long Range 125 kbps mode)

• TX current: 4.0 mA @ 0 dBm, 1 Mbps

• RX current: 3.5 mA @ 1 Mbps

• AoA/AoD, LE Isochronous Channels

ARM^® Cortex^®-M4F 32-bit micro-processor with floating point support

• Up to 96 MHz clock frequency

• Built-in Memory Protection Unit (MPU) supporting eight programmable regions

• Hardware Floating Point Unit (FPU)

• Built-in Nested Vectored Interrupt Controller (NVIC)

• Non-maskable Interrupt (NMI) input

• Serial Wire Debug (SWD) with 16 breakpoints, two watchpoints, and a debug timestamp counter

• 51 µA/MHz execution from Flash @ 3.3 V, 96 MHz

On-chip memory

• 512 KB data SRAM with retention capabilities

• 8 KB cache SRAM with retention capabilities

• Stack ROM (including boot ROM and Bluetooth LE Stack)

• 1 MB internal QSPI Flash

• 8 MB internal PSRAM (for GR5526VGBIP and GR5526RGNIP only)

Digital peripherals

• Two general-purpose DMA engines, each with 6 channels and up to 16 programmable request/trigger sources

• USB 2.0 full speed (12 Mbps) controller with on-chip PHY and dedicated DMA controller

• Internal Octal SPI DDR interfaces to support 8 MB internal PSRAM at up to 48 MHz (for GR5526VGBIP and GR5526RGNIP only)

Analog peripherals

• One 13-bit Sense ADC with a sampling rate of 1 Msps. It supports up to 8 external I/O channels and 3 internal signal channels

• Built-in temperature and voltage sensors

• Low-power comparator, supporting wakeup from deep sleep mode

Flexible serial peripherals

• 6 * UART modules up to 4 Mbps, with all modules supporting flow control and IrDA

• 6 * I2C modules for peripheral communication, up to 3.4 MHz

• 1 * 8-bit/16-bit/32-bit SPI master interface and 1 x SPI slave interface for host communication

• 2 * I2S interfaces (1 I2S master interface and 1 I2S slave interface)

• PDM interface with hardware sampling rate converter

• 1 * ISO7816 interface

Display/Graphics

• 2.5D GPU for graphics acceleration (for GR5526VGBIP and GR5526RGNIP only)

• 1 * Dual-lane SPI (DSPI) interface for display, with Mobile Industry Processor Interface (MIPI) Display Bus Interface (DBI) Type-C support

• 3 * Quad SPI (QSPI) interfaces, up to 48 MHz, supporting direct access via memory mapping when connecting with external NOR Flash

• Display Control (DC) module with MIPI DBI Type-C support and 2D graphics blending integrated (for GR5526VGBIP and GR5526RGNIP only)

Security

• Complete secure computing engine:

  • AES 128-bit/192-bit/256-bit symmetric encryption (ECB, CBC)

  • Hash-based Message Authentication Code (HMAC-SHA256)

  • Public key cryptography (PKC)

  • True random number generator (TRNG)

• Comprehensive security operation mechanism:

  • Secure boot

  • Encrypted firmware runs directly from Flash

  • eFuse for encrypted key storage

  • Differentiate application data key and firmware key, supporting one data key per each device/product

I/O Peripherals

• Up to 50 multiplexed I/O pins in total

  • Up to 34 general-purpose I/O(GPIO) pins

  • Up to 8 always-on I/O(AON IO) pins, supporting wakeup from deep sleep mode

  • Up to 8 mixed signal I/O(MSIO) pin, configurable to be digital/analog signal interfaces

Timer

• Two general-purpose, 32-bit timer modules

• A timer module composed of two programmable 32-bit or 16 bit down counters

• An internal sleep timer that can be used to wake the device up from deep sleep mode

• Two PWM modules with edge alignment mode and center alignment mode, each with 3 channels

• 2 * real-time counters (RTC): 1 * Calendar, 1 * RTC

Power management

• On-chip DC-DC to provide RF Analog voltage and supply core LDO

• On-chip I/O LDO to provide I/O voltage and supply external components, maximum I/O LDO drive strength: 30 mA

• Programmable thresholds for brownout detection (BOD)

• Supply voltage: 2.4 V – 4.35 V

• I/O voltage: 1.8 V – 3.6 V

Low-power consumption modes

• Sleep mode: 3.3 µA (Typical) at 3.3 V VBAT input with 128 KB SRAM retention on and LFXO_32K off; woken up by 8 sources of always-on domain

• Ultra deep sleep mode: 2.4 µA (Typical); internal power (all SRAM included) and LFXO_32K removed from entire chip except always-on domain; woken up by Sleep Timer and AON GPIOs

• OFF mode: 200 nA (Typical); nothing on except VBAT, and chip in reset mode

Packages

• BGA83: 4.3 mm * 4.3 mm * 0.96 mm, 0.4 mm pitch

• QFN68: 7.0 mm * 7.0 mm * 0.85 mm , 0.35 mm pitch

Operating temperature range: -40°C to +85°C