
Realtek Semiconductor
General Description
The Realtek RTL8189ETV is a highly integrated single-chip 802.11n Wireless LAN (WLAN) network SDIO interface (SDIO 1.1/ 2.0/ 3.0 compliant) controller. It is a WLAN MAC, a 1T1R capable WLAN baseband, and WLAN RF in a single chip. The RTL8189ETV provides a complete solution for a high throughput performance integrated wireless LAN device.
FEATUREs
General
■ 32-pin QFN
■ CMOS MAC, Baseband PHY, and RF in a
single chip for IEEE 802.11b/g/n
compatible WLAN
■ Complete 802.11n solution for 2.4GHz
band
■ 72.2Mbps receive PHY rate and 72.2Mbps
transmit PHY rate using 20MHz bandwidth
■ 150Mbps receive PHY rate and 150Mbps
transmit PHY rate using 40MHz bandwidth
■ Compatible with 802.11n specification
■ Backward compatible with 802.11b/g
devices while operating in 802.11n mode
Host Interface
■ Complies with SDIO 1.1/ 2.0/ 3.0 for
WLAN with clock rate up to 100MHz
■ GSPI interface for configurable endian for
WLAN
Standards Supported
■ IEEE 802.11b/g/n compatible WLAN
■ IEEE 802.11e QoS Enhancement (WMM)
■ 802.11i (WPA, WPA2). Open, shared key,
and pair-wise key authentication services
WLAN MAC Features
■ Frame aggregation for increased MAC
efficiency (A-MSDU, A-MPDU)
■ Low latency immediate High-Throughput
Block Acknowledgement (HT-BA)
■ PHY-level spoofing to enhance legacy
compatibility
■ Power saving mechanism
■ Channel management and co-existence
■ Transmit Opportunity (TXOP) Short
Inter-Frame Space (SIFS) bursting for
higher multimedia bandwidth
WLAN PHY Features
■ IEEE 802.11n OFDM
■ One Transmit and one Receive path (1T1R)
■ 20MHz and 40MHz bandwidth
transmission
■ Short Guard Interval (400ns)
■ DSSS with DBPSK and DQPSK, CCK
modulation with long and short preamble
■ OFDM with BPSK, QPSK, 16QAM, and
64QAM modulation.
Convolutional Coding Rate: 1/2, 2/3, 3/4,
and 5/6
■ Maximum data rate 54Mbps in 802.11g and
150Mbps in 802.11n
■ Switch diversity for DSSS/CCK
■ Hardware antenna diversity in per packet
base
■ Selectable receiver FIR filters
■ Programmable scaling in transmitter and
receiver to trade quantization noise against
increased probability of clipping
■ Fast receiver Automatic Gain Control
(AGC)
■ On-chip ADC and DAC
Peripheral Interfaces
■ General Purpose Input/Output (8 pins)
■ One configurable LED pins