Product Brief TNETC4401: Integrated DOCSIS2.0 Cable Modem Chip

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Product Brief TNETC4401: Integrated DOCSIS2.0 Cable Modem Chip

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Product Brief
TNETC4401: Integrated DOCSIS2.0 Cable Modem Chip
broadband network controller residential small office applications. TNETC4401 provides interfaces residential distribution connections home such Ethernet, 802.11. device contains high-speed serial interface, enabling glueless expansions higher-end applications. TNETC4401 compatible with TNETC4400, providing seamless migration device.
Benefits Supports DOCSIS2.0 standard including A-TDMA S-CDMA functions Cable modems containing TNETC4401 have passed DOCSIS DOCSIS certification wave testing Designed lowest overall system cost Integrated reference design platforms quick time-to-market compatible TNETC4400 easy system upgrade Contains high-speed serial interface enabling glueless expansions additional interface options Built TI's field proven TNETC4400 architecture
TNETC4401 from Texas Instruments single chip cable modem device that supports DOCSIS2.0 standard. Designed lowest system cost, this device integrates DOCSIS with high-performance communications processor peripherals networking communication applications. TNETC4401 based TI's TNETC4400 device with added S-CDMA functionality already proven A-TDMA technology full compliance DOCSIS standard. With advanced features, TNETC4401 enables next generation DOCSIS cable modems well previous generation DOCSIS/EuroDOCSISversions. TNETC4401 based TI's TNETC43x line communication processors' architecture consists MIPS® processor peripherals designed serve
offers TNETC420 data cable modem based TNETC4401 that runs TI's proven DOCSIS software.
SDRAM FLASH VolP 802.11
TNETC4401 Block Diagram
External Memory Controller
High-Speed Serial Interface
JTAG
cache cache MIPS® RISC Processor
Engine Timer
Ethernet 10/100 Base Ethernet
Test Configuration
Power Management
GPIOs UART
LEDs
PLLs
Tuner
DOCSIS2.0
DOCSIS
Interrupt Controller
RS232 CODEC
Features 125-MHz RISC Processor (MIPS® R4000) DOCSIS2.0 compliant PHY, including Annex (European specification addition) Annex (Japan) DOCSIS EuroDOCSIS 1.1/1.0 compliant 10/100BaseT Ethernet Flexible Function Controller (integrated link layer PHY) 125-MHz SDRAM interface 4-Kbytes on-chip 16-Kbytes I-cache 16-Kbytes D-cache On-chip Security module supporting encryption/decryption proposed IPsec specification Four general purpose channels General-Purpose Input/Output (GPIOs) (eight dedicated multiplexed) Three 16-bit timers (one configured watchdog) 16550 UART module module Single reference crystal Interrupt controller Flexible, synchronized external memory controller (EMIF) High-speed serial interface Internal pre-programmed enables boot from Flash, SRAM, EPROM high-speed serial interface power consumption-less than Watt 3.3-volt operation 208-pin TQFP PowerPADpackage
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C010203
2003 Texas Instruments Incorporated
SPAT131A

Product Brief TNETC4401: Integrated DOCSIS2.0 Cable Modem Chip

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