RTL8198
Datasheet
2. Features
SOC
Embedded RISC CPU, RLX5281 with
16K I-Cache, 8K D-Cache, 40K I-MEM,
8K D-MEM
Supports MIPS-1 ISA, MIPS16 ISA
Clock rate up to 500MHz
Provides a standard 5-signal P1149.1
EJTAG test port
Supports RLX5281 CPU suspend mode
L2 Capabilities
Six Gigabit Ethernet MACs switch with
five IEEE 802.3 10/100/1000Mbps
physical layer transceivers
Supports 1 dedicated GMII/RGMII/MII
port to connect to an external MAC or
PHY (supports both PHY mode and
MAC mode) for HomePlug or
HomePNA applications on RTL8198
Non-blocking wire-speed reception and
transmission and non-head-of-line-
blocking/forwarding
Internal 512Kbit SRAM for packet
buffering
Internal 1024 entry 4-way hash L2 look-
up table
Supports source and destination MAC
address filtering
Three LED indicators per port for link,
speed, full/half duplex
Bi-color LED display mode
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 support multiple-
descriptor-ring architecture for QoS
applications (supports 6 RX descriptor
rings and 2 TX descriptor rings)
Peripheral Interfaces
Supports PCI Express Host with
integrated PHY to connect up to two
master devices
Two PCI Express PHY embedded
Supports one USB 2.0 host controller
for access to USB-supported peripherals
One USB PHY is embedded
Supports two 16550 UARTs
Supports up to 44 GPIO pins
Memory Interfaces
Serial Flash (SPI Type)
Supports two banks 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 two SDR DRAM banks;
each can be configured as
2M/4M/8M/16M/32M/64Mbyte
16bit SDR DRAM data bus
supported. System totally supports up
to 128Mbyte SDR DRAM memory
space
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
IEEE 802.11n Gigabit Ethernet AP/Router Network Processor
3
Track ID: JATR-2265-11 Rev. 0.91