The OM6621Px is a power-optimized true system-on-chip (SOC) solution for both Bluetooth low energy and proprietary 2.4GHz applications. It integrates a high performance and low power RF transceiver with Bluetooth base band and rich peripheral IO extension.OM6621Px also integrates a power management to provide high-efficient power management. It targets 2.4GHz Bluetooth low energy systems, proprietary 2.4GHz systems, Human-Interface Devices (smart watch, bracelets, smart lock, smart switch,etc.), sports and leisure equipment, mobile phone accessories and consumer electronics.
OM6621Px on-chip Bluetooth system support BLE5.1 full feature.
The chip integrates up to 128MHz high-performance MCU, GPIO, DMA, UART, I2S, I2C, SPI, Timer, RTC, Watchdog, PIC_DEC, supports 32MHz external crystal, integrates multi-purpose 12-bit ADC.
The OM6621Px supports user defined IDE system on chip SFLASH MCU development and JTAG software upgrade.
RF transceiver
• -96dBm sensitivity @1Mbps
• -93dBm sensitivity @2Mbps
• -99dBm sensitivity @500Kbps
• -102dBm sensitivity @125Kbps
• TX power -20 ~ +9dBm
• Fast Automatic gain Control circuit (AGC)
• RSSI (1db resolution)
CPU
• ARM® Cortex™-M4F, max 128MHz
• Serial Wire Debug (SWD)
Memory
• 392KB SRAM
• ICACHE 16K-4way
• SFLASH
• OM6621PG/PG-U/PH: 1MB
• OM6621PWPG-S: 2MB
Clocks
• 32MHz crystal, 32MHz RC, 32.768KHz crystal, 32.768KHz RC
• Link Controller
• BT 5.1 LE PHY, link controller
• Proprietary 2.4-GHz link controller
Power Management
• Supply voltage range
• OM6621PG/PW: 2.7V ~ 3.6V
• OM6621PG-U/PG-S/PH: 1.8V ~ 3.6V
• Peak operating current, RX 6.8mA, TX 6.4mA (+ 0dBm)
• Deep sleep current 5.8uA (RC32K on, 256KB RAM retention)
• Ultra sleep current 1.6uA (no RC32K, no RAM)
• Integrated DCDC BUCK Converter
• Integrated Lithium Battery Charging Function (100mA/300mA, only OM6621PH is not supported this function )
• OM6621PG/PG-U/PG-S: all IO support 3.3V
• OM6621PW/PH: all IO support 3.3V, and partial IO support 1.8V
Software
• Power optimized link layer firmware and protocol stack
• Supports Bluetooth mesh standard network
• Supports multiple BLE profiles and application examples
• Supports HCI Controller Interface
• Supports 6LowPAN
• Supports OTA
• SWD interface
• Supports Free Rtos
Peripherals
• OM6621PG/PG-U/PG-S support 31 GPIOs + 2 Input IOs
• OM6621PW support 47 GPIOs + 3 Input IOs
• OM6621PH support 48 GPIOs + 3 Input IOs
• 4 channels DMA
• Supports QSPI LCD
• Supports QSPI PSRAM
• 2 x UART, one of them is compatible with ISO7816
• 1 x I2S interface
• 3 x I2C interface
• 2 x SPI interface
• 3 x Timer/Counter with 4 Compare/Capture/PWM channels
• RTC
• WDT
• Keyboard Controller
• 3 x QDEC
• single-end/differential 8-channel 12-bit, up to 16Msps (precision and sample rate can be configured)
• Audio ADC
• 16-bit ADC
• support PDM, IIS
• SNR 93dB
• The PINMUX will freely configure all types of interfaces
Security and Encryption
• AES HW encryption(Integrated in the Bluetooth module)
• Support AES-128 key
• Support encryption mode
• True random number generator
Package and Work Environment
• OM6621PG/PG-U/PG-S: 48-pin 6x6mm QFN48
• OM6621PW: 64-pin 7.5x7.5mm QFN64
• OM6621PH: 76-pin 3.5x5mm BGA76
• -40 ℃~+85 ℃
The OM6621Px integrated circuit has a fully integrated radio transceiver and base band processor for Bluetooth® Smart. It can be used as an application processor as well as a data pump in fully hosted systems.
- BT VersionBLE 5.1
- CoreM4F
- Max Speed128MHz
- SRAM392KB
- Flash1/2MB
- PackagesQFN64 7.5*7.5mm/QFN48 6*6mm/BGA76 3.5*5mm
- Supply Voltage2.7V - 3.6V/1.8V - 3.6V