DESCRIPTION

ST70137 is STMicroelectronics UNICORNTM chipset ADSL DMT transceiver for controllerless ADSL CPE modem.

UNICORNTM allows to develop easily and quickly low cost ADSL CPE modem for PC environment.

UNICORNTM is made of two devices, ST70137 and ST70136 or ST70134 (CPE ADSL Analog Front End). ST70137 provides PCI and USB interface. PCI is used to build ADSL CPE modem bundled in the PC, USB interface is used to build external bus powered ADSL modem.

ST70137 HARDWARE FEATURES

■ SUPPORT DIGITAL SIGNAL PROCESSING REQUIREMENTS FOR ONE ADSL CPE CHANEL (ITU-R)

■ COMPLIANT WITH ITU 992.1 (ADSL FULL RATE) ANNEXE A (ADSL OVER POTS) AND ANNEXE B (ADSL OVER ISDN) AND ITU 922.2 (G.LITE) AND ANSI T1.413.

■ DIRECT INTERFACE TO PCI BUS (PCI RELEASE 2.2 AND COMPLIANT WITH MICROSOFT PC99 & PC2001 SPECIFICATION)

■ DIRECT INTERFACE TO USB (USB RELEASE 1.1 SPECIFICATION)

■ DIRECT INTERFACE TO THE EXTERNAL SERIAL MEMORY TO SUPPORT PCI/USB USER’S CONFIGURATION

■ DIRECT ANALOG FRONT END INTERFACE FOR ST70136 OR ST70134

■ 4 TO 8 GPIO DEPENDING ON SELECTED AFE AND EXTERNAL MEMORY CONFIGURATION USED

■ CLOCK & RESET INTERFACE

■ 1.8V AND 3.3V POWER SUPPLY

■ TTL LOGIC LEVELS COMPATIBLE (DEPENDING ON PADS)

■ POWER MANAGEMENT

■ LOW POWER CONSUMPTION : 0.4W

■ TQFP 144

ST70137 SOFTWARE FEATURES

■ RFC 2364 PPP OVER ATM

■ UNI 3.0, 3.1, 4.0 SIGNALING

■ UBR, CBR

■ AAL0, AAL5

■ NDIS5.0 PCI DRIVER AND USB DRIVER