TSI148-133CL IDT, Integrated Device Technology Inc, TSI148-133CL Datasheet - Page 75

• 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

Figure 12: PCI-to-VME Delayed Read Completion
Tsi148 PCI/X-to-VME Bus Bridge User Manual
80A3020_MA001_13
Command
Command
Read Buffer
Read Buffer
9. After Linkage Module arbitration, the read data is passed through the Linkage Module to
10. Once the entire read request is queued in the PCI Target’s read buffer data queue the
the PCI Target’s read buffer data queue.
initial read request can be satisfied on PCI.
— If the initiating PCI bus master makes a request for the data before the full request is
Data
Data
VME Master
PCI/X Target
satisfied in the read buffer data queue, Tsi148 retries the PCI bus master.
Write Buffer
Write Buffer
Linkage Module
VMEbus
PCI/X Bus
Read Buffer
Read Buffer
PCI/X Master
VME Slave
3. PCI/X Interface > PCI Mode
Write Buffer
Write Buffer
75