Realtek RTL8196E-CG

RTL8196E-CG General Description

General DescriptionThe RTL8196E-CG is an integrated System-on-a-Chip (SoC) Application Specific Integrated Circuit (ASIC) L2 5-Port Ethernet switch. An RLX4181 CPU is embedded and the clock rate can be up to 400MHz. To improve computational performance, a 16Kbyte I-Cache, 8Kbyte D-Cache, 16Kbyte I-MEM, and 8Kbyte D-MEM are provided. A standard 5-signal P1149.1 compliant EJTAG test interface is supported for CPU testing and software development.Features■ SOC ◆ Embedded RISC CPU, RLX4181 with 16Kbyte I-Cache, 8Kbyte D-Cache, 16Kbyte I-MEM, 8Kbyte D-MEM ◆ Supports MIPS-1 ISA, MIPS16 ISA ◆ Clock Rate: 400MHz ◆ Provides a standard P1149.1 EJTAG test port ◆ Supports RLX4181 CPU suspend mode■ L2 Capabilities ◆ Five Ethernet MAC switch with five IEEE 802.3 10/100M physical layer transceivers ◆ Non-blocking wire-speed reception and transmission and non-head-of-line blocking/forwarding ◆ Internal 256Kbit SRAM for packet buffering ◆ Internal 1024 entry 4-way hash L2 look up table ◆ Supports source and destination MAC address filtering■ CPU Interface (NIC) ◆ Supports BSD mbuf-like packet structure with adjustable cluster size (128-byte to 2Kbyte) to provide optimum memory utilization ◆ The NIC DMA supports multiple descriptor-ring architecture for QoS applications■ Peripheral Interfaces ◆ Supports PCI Express Host with integrated PHY ◆ One PCI Express PHY embedded ◆ Supports one-port USB ■ USB 2.0 Host or Device ◆ One USB PHY embedded ◆ Supports two 16550 UARTs ◆ Supports up to 16 GPIO pins■ Memory Interfaces ◆ Serial Flash (SPI Type) ■ Supports one bank and dual I/O channels for SPI Flash application ■ Each Flash bank could be configured as 256K/512K/1M/2M/4M/8M/16M Bytes ■ Boot up from SPI flash is supported ◆ SDR DRAM ■ Supports one SDR DRAM bank; each can be configured as 2M/4M/8M/16M/32M/64Mbyte ■ 16-bit SDR DRAM data bus supported ◆ DDR1 DRAM ■ Supports one DDR1 DRAM bank that can be configured as 16M/32M/64M/128Mbytes ■ 16-bit DDR1 DRAM data bus supported. System totally supports up to 128Mbyte DDR1 DRAM memory space ◆ DDR2 DRAM ■ Supports one DDR2 DRAM bank that can be configured as 32M/64M/128Mbyte ■ 16-bit DDR2 DRAM data bus supported. System totally supports up to 128Mbyte DDR2 DRAM memory space■ Supports Green Ethernet ◆ Cable length power saving ◆ Link down power saving■ Supports IEEE 802.3az Energy Efficient Ethernet ability for 100Base-TX in full duplex operation and 10Base-T in full/half duplex mode■ Other Added-Value Features ◆ Supports Link Down Power Saving in Ethernet PHYceivers ◆ Supports two hardware timers and one watchdog timer ◆ Per-port configurable auto-crossover function ◆ Built-in internal ROM booting ◆ Single 25MHz crystal or 40MHz clock input■ Built-in SWR/LDO ◆ LDO for DDR1/DDR2 ■ DDR1 DRAM: 3.3V to 2.5V ■ DDR2 DRAM: 3.3V to 1.8V ◆ SWR or LDO for Core Power ■ SWR or LDO 3.3V to 1.0V■ LQFP128 packageSystem Applications■ IEEE 802.11b/g/n AP/Router■ IEEE 802.11a/b/g/n Dualband Concurrent Router■ Wired Router

Features

• 1. CPU: The RTL8196E-CG features a MIPS 24Kc processor operating at speeds up to 320 MHz.
• 2. Ethernet: It supports built-in 5-port 10/100 Mbps Ethernet PHY, enabling wired network connectivity.
• 3. Wireless: The SoC also integrates a single-stream 802.11n WLAN module, providing wireless connectivity.
• 4. Memory: It includes DDR/DDR2 memory controller for efficient data handling.
• 5. Security: The chip incorporates hardware encryption/decryption engines for enhanced security protocols.
• 6. Power Efficiency: The RTL8196E-CG uses advanced power management techniques to reduce power consumption.

Application

• 1. Routers: The SoC is commonly used in wireless routers and gateways, enabling both wired and wireless internet connectivity.
• 2. Access Points: It can be utilized in the creation of wireless access points, providing Wi-Fi services.
• 3. Home Automation: The chip's networking capabilities are suitable for applications like smart home automation systems.
• 4. IoT Devices: Its compact and efficient design makes it suitable for Internet of Things (IoT) devices requiring internet connectivity.

Specifications