ITeX (Integrated Telecom Express, Inc. ) : i90135

ADSL DMT Transceiver/ATM Framer Digital Controller Chip

ITeX's i90135 is the DMT modem and ATM Framer of the Apollo series rate adaptive ADSL chipset. The I90135 is intended to be used in combination with I80134 analog front end. In addition, the control function of the chipset can be performed on a dedicated external controller or on host/control software eliminating the need for a microcontroller. The I90135 may be used in both ATU-C (central office) and ATU-R (remote) applications. The chip provides both a cell based UTOPIA level 1 and 2 ATM data interface to the host and a non-ATM synchronous bit stream. The i90135 is compliant with ANSI T1.413 Issue 2, ITU G.dmt and G.lite standards. i90135 is available in a 144-pin PQFP package.

Features ANSI T1.413 Issue 2 standard DMT modem with embedded, bypassable, ATM framer Byte interface or standard Utopia level 1and level 2 ATM interfaces Receive Direction: Rotor and adaptive frequency domain equalizing Demapping of DMT carriers into a digital bitstream, including 4D trelliscoding Error and noise monitoring on individual carriers and pilot tones Reed-Solomon decoding and deinterleaving ADSL deframing ATM cell-specific deframing (can be bypassed) 144-pin PQFP package Power consumption 1 watt at 3.3V Transmit Direction: ATM cell-specific framing ADSL framing Reed-Solomon encoding Mapping of digital bitstream onto DMT carriers Rotor and frequency domain gaincorrection

Technology:	ADSL
Package:	PQFP 144 Pin
Linux support:	No

http://www.itexinc.com/Products/i90135.pdf