TSI148-133CL IDT, Integrated Device Technology Inc, TSI148-133CL Datasheet - Page 108

• 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 25: DMA Transaction: PCI/X-to-PCI/X Completion
108
Read Buffer
Read Buffer
6. The PCI/X target satisfies the read request and the data is stored in the PCI/X Master’s
7. Once the read request is satisfied, or the PCI/X Master’s read buffer data queue becomes
8. After arbitration the read data is passed through the Linkage to the DMA Controllers data
9. The DMA controller then issues a write request to the Linkage Module.
10. Upon arbitration the command, address information as well as the write data is passed to
read buffer data queue.
full, the PCI/X Master makes a request to the Linkage Module.
buffer. The data buffer is used to hold data that is transferred between the source and
destination bus. In this example between the PCI/X bus and PCI/X bus.
the PCI/X Master write buffer command and data queues.
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
Command
Write Buffer
Write Buffer
80A3020_MA001_13
Data