STP2003PQFP Sun Microelectronics, STP2003PQFP Datasheet - Page 2

• Manufacturer Part Number: STP2003PQFP
• Description: PCI I/O Controller
• Manufacturer: Sun Microelectronics

B
2
LOCK
STP2003QFP
Control
JTAG
Scan
D
IAGRAM
PCIO
PCI I/O Controller
Bus Adapter
• PCI bus v2.1 compliant, 33 MHz
• double 64-byte write buffers
• 100+ Mbytes/sec peak transfer rate
Ethernet DMA
• 2 DMA Channels
• 2048 byte FIFO
Media Access
• TP 10/100 MHz
• MII
per channel
Control
Figure 1. PCIO Block Diagram
Ethernet Channel
MII
Engine
PCI Local Bus
EBus2 Interface
• Prog. timing
• Prog. priority
EBus2 DMA
• 4 DMA Channels
• 128 byte FIFO
p/channel
PCI
Configuration
Space
(multi-function)
EBus2
EBus2 Channel
Engine
August 2001