TSI148-133IL IDT, Integrated Device Technology Inc, TSI148-133IL Datasheet - Page 107

• Manufacturer Part Number: TSI148-133IL
• Description: IC PCI-VME BRIDGE 456PBGA
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: Tsi148&Trade;r

Specifications of TSI148-133IL

• Applications: PCI-to-VME Bridge
• Interface: PCI
• Voltage - Supply: 3.3V
• Package / Case: 456-PBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 800-1905

Figure 24: DMA Transaction: PCI/X-to-PCI/X Request
Tsi148 PCI/X-to-VME Bus Bridge User Manual
80A3020_MA001_13
Read Buffer
Read Buffer
2. Once these registers have been programmed writing the DGO bit in the DMA control
3. The DMA controller issues a read request to the Linkage Module.
4. After arbitration, the Linkage Module passes the command, address information, and
5. The PCI/X Master issues a read request to the PCI/X target
register initiates the DMA transfer.
transfer size are passed to the PCI/X Master read buffer command queue.
VME Master
PCI/X Target
Linkage Module
Write Buffer
Write Buffer
PCI/X Bus
VMEbus
Command
4. DMA Interface > Direction of Data Movement
Read Buffer
Read Buffer
Control
Registers
DMA Controller
Data
PCI/X Master
VME Slave
.
Buffer
Command
Write Buffer
Write Buffer
Data
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