STLC4370 Single Chip 802.11b/g WLAN Radio for Mobile Applications DATA BRIEF Features ■ Extremely small footprint ■ Ultra Low Power consumption ■ Fully compliant with the IEEE 802.11b and 802.11g WLAN standards ■ Support for 54, 48, 36, 24, 18, 12, 9, and 6Mbps OFDM, 11 and 5.5Mbps CCK and legacy 2 and 1Mbps data rates ■ Single Chip 802.11b/g WLAN solution with fully integrated: – Zero IF (ZIF) transceiver, – Voltage Controlled Oscillator (VCO), – High-speed A/D and D/A converters, – Radio Power Management Unit (PMU), – OFDM and CCK baseband processor, – ARM9 Media Access Controller (MAC), – SPI serial host interface (up to 48Mbps) ■ Intelligent power control, including 802.11 power save mode ■ Fully integrated Bluetooth coexistence LFBGA (12.5 mm x 7 mm x 1.6 mm) Order codes Part Number E-STLC4370A Cellular phones ■ Personal Digital Assistants (PDA) ■ Portable computers ■ Hand-held data transfer devices ■ Cameras ■ Computer peripherals ■ Cable replacement Lead-free LFBGA228 Description The STLC4370 is a single chip 802.11b/g WLAN radio for embedded, low-power and very small form factor mobile applications. The product conforms to the IEEE 802.11b and 802.11g protocols operating in the 2.45GHz ISM frequency band supporting OFDM data rates of 54, 48, 36, 24, 18, 12, 9, and 6Mbps as well as CCK data rates of 11 and 5.5Mbps and legacy data rates of 2 and 1Mbps. Applications ■ Package The STLC4370 is a fully integrated wireless radio including a ZIF transceiver, RF Synthesizer/VCO, high-speed data converters, an OFDM/CCK digital baseband processor, an ARM9-based MAC and a complete Power Management Unit. Host control is provided by a flexible serial interface (SPI) supporting bit rates of 48Mbps. For maximum flexibility, the STLC4370 accepts system reference clock frequencies of 19.2, 26, 38.4 and 40MHz. A reference design evaluation platform of hardware and software is provided to system integrators to rapidly enable wireless connectivity to mobile platforms. January 2006 Rev. 1 For further information contact your local STMicroelectronics sales office. 1/5 www.st.com 5 Block diagram STLC4370 Block diagram Figure 1. STLC4370 block diagram Power Management Unit (PMU) STLC4370 RF ZIF Section: FEM PA, Switches, Balun, Passives FEM I/F RF VCO RX Down converter TX Up converter Baseband Filters High -Speed Data Converters Switch Control 2/5 Rev. 1 SPI I/F Baseband Processor MAC OFDM/CCK Modulation ARM9 WEP CXS I/F Host CPU Bluetooth Device STLC4370 Package information Package information Figure 2. LFBGA228 mechanical data and package dimensions mm inch DIM. MIN. TYP. A A1 MAX. MIN. TYP. 1.60 0.006 1.02 0.040 b 0.25 0.30 0.35 0.010 0.012 0.014 D 12.35 12.50 12.65 0.486 0.492 0.498 D1 E 11.50 6.85 OUTLINE AND MECHANICAL DATA 0.062 0.15 A2 MAX. 7.00 0.453 7.15 0.270 0.275 E1 6.00 0.236 e 0.50 0.020 F 0.50 0.020 0.281 Body: 12.5 x 7 x 1.6mm ddd 0.08 0.003 eee 0.15 0.006 fff 0.05 0.002 LFBGA228 (207+21) Low Profile Ball Grid Array 7611496 A Rev. 1 3/5 Revision history STLC4370 Revision history Table 1. 4/5 Document revision history Date Revision 13-Jan-2006 1 Changes Initial release. Rev. 1 STLC4370 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2006 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com Rev. 1 5/5