The OM6621Dx 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. OM6621Dx 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 (keyboard, mouse, and remote control), sports and leisure equipment, mobile phone accessories and consumer electronics.
OM6621Dx on-chip Bluetooth system compliant with version 5.1,support all Bluetooth standard 4.2 feature.
The chip integrates up to 64MHz high-performance MCU, DMA, GPIO, SPI, UART, Timer, Watchdog, supports 32MHz external crystal, integrates multi-purpose 10-bit ADC.
The OM6621Dx integrates on chip 24K SRAM, 16K OTP and supports user defined IDE system on chip SFLASH MCU development and JTAG software upgrade.
RF transceiver
• -97dBm sensitivity Bluetooth® low energy
• TX Power -20 to +10dBm
• 13.5mA peak RX, 14mA peak TX (0dBm)
Memory
• 16KB OTP
• 24KB SRAM
• Serial Flash
• - OM6621DB: 2Mb
• - OM6621DQ: 4Mb
• I-Cache RAM 2KB
Clocks
• 32MHz crystal, 32MHz RC, 32.768KHz RC
Link Controller
• BT 5.1 LE PHY, link controller
• Proprietary 2.4-GHz link controller
Power Management
• Sleep current 3.0uA (RC 32K on, 24K RAM retention)
• Supply voltage range 2.1V~3.6V
• Integrated Charger (100mA/200mA)
Software
• compliant with BLE version 5.1
• Network processor interface for applications running on an external micro-controller
• Sample applications and profiles
• Supports 6LowPAN
• Supports OTA
• SWD interface
Peripherals
• DMA x 4
• UART x 1
• Flexible general-purpose I/O GPIO
• - OM6621DB: 12 GPIO
• - OM6621DQ: 19 GPIO
• SPI master or slave interface x 1
• PWM x 6
• Watchdog to prevent system dead lock
• 16-bit timer x 3
• single-end 10-bit GPADC x 4
• AES HW encryption
Package and Work Environment
• OM6621DB: 20-pin 3x3mm QFN20
• OM6621DQ: 32-pin 4x4mm QFN32
• -40℃ ~ +85℃
The OM6621Dx 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 Version
BLE 5.1
Max Speed
64MHz
SRAM
24KB
Flash
256/512KB
Packages
QFN32 4*4mm/QFN20 3*3mm
Supply Voltage
2.1V - 3.6V
