TSI148-133CL IDT, Integrated Device Technology Inc, TSI148-133CL Datasheet - Page 104

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

Specifications of TSI148-133CL

• Applications: PCI-to-VME Bridge
• Interface: PCI
• Voltage - Supply: 3.3V
• Package / Case: 456-PBGA
• Mounting Type: Surface Mount
• Package Type: BGA
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-1906

4. DMA Interface > Direction of Data Movement
Figure 22: DMA Transaction: VME-to-PCI/X Request
104
Command
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 information and address
5. The VME Master issues a read request to the VMEbus slave.
register initiates the DMA transfer.
information to a VME Master read buffer.
Data
VME Master
PCI/X Target
Linkage Module
Write Buffer
Write Buffer
PCI/X Bus
VMEbus
Command
Read Buffer
Read Buffer
Tsi148 PCI/X-to-VME Bus Bridge User Manual
Control
Registers
DMA Controller
Data
PCI/X Master
VME Slave
Buffer
Write Buffer
Write Buffer
80A3020_MA001_13