Specification
Radio
- Fully integrated VCO
- Fully integrated direct conversion receiver
- Baseband for 2.4GHz
- Fast AGC and wide dynamic range allow excellent robustness against fading
- No production trims or adjustments required
- Support for common cellular reference frequencies
- On-chip crystal driver
Transmitter
- No external PA required for short range cellular handset applications
- Supports external PA for enhanced range
- Low output spurii in cellular bands
- Supports power compensation for stable transmit power across temperature
Receiver
- Good receiver sensitivity
- Supports an external LNA for enhanced sensitivity
- High cellular blocking for good coexistence with cellular radios
Synthesiser
- Fully integrated synthesizer; no external VCO varactor diode, resonator or loop filter
Processor subsystem
- Dual 60MHz RISC processors
- Independent dedicated on-chip instruction and data RAMs per CPU
- Separate timers, interrupt controller and watchdog for each CPU
MAC accelerator
- Supports BSS and IBSS
- Control of radio TX power on per-packet basis
- EDCA (802.11e QoS packet scheduling)
Auxiliary features
- Two 8-bit DACs
CCK modem
- Supports 1, 2, 5.5 and 11Mb/s modes
OFDM modem
- Supports 6, 9, 12, 18, 24, 36, 48, 54Mbps
- Options for partial clocking for power saving
- Dynamic power saving
Physical interfaces
- SDIO interface (incorporating SPI bus mode)
- Unity coexistence interface
Encryption
- Hardware support for WEP40/64, WEP104/128, AES and TKIP
Package options
- 88-ball WLCSP 5.8mm x 6.4mm x 0.7mm
- 0.5mm pitch, Pb-free