Applications

• Cable Modems: Enabling high-speed internet access for residential and commercial users.
• Embedded Multimedia Terminal Adaptors (eMTAs): Providing integrated data and voice services over cable.

Features

• DOCSIS Compliance: Supports DOCSIS 3.0 or later versions for high-speed data transmission.
• Integrated CPU: Includes an embedded processor for managing modem functions, network protocols, and VoIP services.
• Voice-Over-IP (VoIP) Support: Enables telephone services over the internet.
• Ethernet Connectivity: Provides Gigabit Ethernet interfaces for connecting to computers and other network devices.
• USB Interface: Includes USB ports for connecting peripherals or for diagnostic purposes.
• Advanced Modulation: Employs QAM (Quadrature Amplitude Modulation) for efficient data transmission over cable.

Benefits

• Integrated Solution: Reduces the complexity and cost of cable modem and eMTA designs.
• High-Speed Connectivity: Supports downstream data rates exceeding 100 Mbps, depending on the DOCSIS version.
• Voice Services: Enables reliable and high-quality VoIP services.
• Robust Performance: Delivers stable and consistent operation under varying network conditions.
• Enhanced Security: Implements security features to protect against unauthorized network access.

Additional Details

The BCM3350KPB-P21 integrates the core functionalities of a cable modem and an eMTA into a single chip. The embedded CPU manages the DOCSIS protocol stack, VoIP signaling, and other network functions. It requires external memory (RAM and Flash) for storing firmware, configuration data, and voice codecs. The chip typically includes power management features to optimize energy consumption. The "KPB" likely refers to the package type and specific configuration options, while "P21" might indicate a particular hardware revision or customer-specific customization. Datasheets providing detailed specifications are generally accessible to OEMs (Original Equipment Manufacturers) designing cable modems and eMTAs. The specific CPU architecture, memory capacity, and supported DOCSIS version can vary depending on the exact model and configuration.