Applications
■ ATU-C: DSLAM, Routers at Central Office ATU-R: Routers at SOHO, stand-alone modems, PC mother boards General Description The STLC60135 is the DMT modem and ATM framerof theSTMicroelectronics Toscachipset. When coupled with STLC60134 analog front-end and an external controller running dedicated firmware, the product fulfils ANSI T1.413 “Issue 2” DMT ADSL specification. The STLC60135 may be used at both ends of ADSL loop: ATU-C and ATU-R. The chip supports UTOPIA level 1 and UTOPIA level 2 interface and a non ATM synchronous bit-stream interface. September 1999  PQFP144 ORDERING NUMBER: STLC60135 STLC60135 TOSCAADSL DMT TRANSCEIVER TEST MODULE DATA SYMBOL TIMING UNIT VCXO DSP FRONT-END FFT/IFFT ROTOR TRELLIS CODING MAPPER/ DEMAPPER GENERIC TC REED/ SOLOMON ATM SPECIFIC TC INTERFACE MODULE CONTROLLER INTERFACE AFE CONTROL INTERFACE TEST SIGNALS CLOCK STM UTOPIA AFE INTERFACE D98TL315 AFE CONTROL CONTROLLER BUS GENERAL PURPOSE I/Os