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STG3005A2STR View Datasheet(PDF) - STMicroelectronics

Part Name
Description
MFG CO.
STG3005A2STR
ST-Microelectronics
STMicroelectronics ST-Microelectronics
'STG3005A2STR' PDF : 85 Pages View PDF
128-BIT 3D MULTIMEDIA ACCELERATOR
RIVA128ZX
5 PCI 2.1 LOCAL BUS INTERFACE
5.1 RIVA128ZX PCI INTERFACE
The RIVA128ZX supports a glueless interface to PCI 2.1 with both master and slave capabilities. The host
interface is fully compliant with the 32-bit PCI 2.1 specification.
The Multimedia Accelerator supports PCI bus operation up to 33MHz with zero-wait state capability and
full bus mastering capability handling burst reads and burst writes.
Figure 16. PCI interface pin connections
PCIAD[31:0]
32
PCICBE[3:0]#
4
PCIFRAME#
PCIDEVSEL#
PCIIRDY#
PCITRDY#
PCISTOP#
PCIIDSEL
PCIPAR
PCIREQ#
PCIGNT#
PCICLK
PCIRST#
PCIINTA#
RIVA128ZX
Table 5. PCI bus commands supported by the RIVA128ZX
Bus master
Memory read and write
Memory read line
Memory read multiple
Bus slave
Memory read and write
I/O read and write
Configuration read and write
Memory read line
Memory read multiple
Memory write invalidate
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