SPRF24B23A
2.4GHz USB/RF SOC

General Description

The SPRF24B23A is a SoC solution for wireless USB dongles. By combining a SPRF24B01A compatible 2.4GHz RF transceiver, it supports a wide range of applications including PC peripherals, game peripherals and Smart TV peripherals. With an air data rate of 2 Mbps combined with full speed USB,the SPRF24B23A meets the performance requirements of applications such as wireless mouse, game controllers and remote controls with Smart TVs.
The SPRF24B23A includes:

• A SPRF24B01A compatible 2.4GHz RF transceiver
• A Full/Low speed USB 2.0 compliant device controller
• An 8-bit microcontroller
• 16k bytes of one-time-program (OTP) memory
• The SPRC24B23A is Packaged in a compact 6x6mm package,require low cost external BOM..

Features

• Built in 8-bit SunplusIT CPU core
• Memory
  • 16KB One Time Program ROM and 512B RAM
  • Built-in 128 byte EEPROM
  • Embedded internal 6MHz oscillation with +/- 1.5% accuracy for the USB low-speed application
• USB
  • Full/Low Speed USB transceivers (12/1.5Mbps)
  • Conforms to USB 2.0 Full/Low speed specifications
  • Supports 5 endpoints (including EP0); each endpoint can be programmed as IN or OUT endpoint
• IO
  • Up to 13 general purpose I/Os
  • Programmable I/O direction with resistive pull up/down Control
• Timer
  • One 14-bit free-run timer with overflow interrupt and real time interrupt
  • Two 8-bit re-loadable timer can be cascaded as a 16-bit timer
• Built-in 3.3 Volt regulator for USB and internal
  • operation
• Operating Frequency : 6MHz.
• Reset Circuit
  • Low Power Voltage Detection(LVD)
  • Low Voltage Reset
  • Watchdog timer reset
  • Software reset
• 2.4GHz RF
  • GFSK modulation
  • Operation from ISM band 2.400GHz ~ 2.483.5GHz
  • Sensitively up to -87 dBm (@ 2Mbps)
  • Tolerate ±60ppm 16M crystal
  • Low-noise amplifier, power amplifier, modern and data slicer/recovery on chip
  • 250Kbps,1Mbps, 2Mbps air data rate support
• 40Pin QFN 6 X 6 mm package available