TSI148-133CL IDT, Integrated Device Technology Inc, TSI148-133CL Datasheet - Page 102

• 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 21: DMA Transaction: PCI/X-to-VME Completion
102
Read Buffer
Read Buffer
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.
6. Once the read request is satisfied or the PCI/X Master’s read buffer data queue becomes
7. After arbitration, the read data is passed through the Linkage Module to the DMA
transfer size to the PCI/X Master read buffer command queue.
full, the PCI/X Master makes a request to the Linkage Module.
— The Block Size is programmed in the PBKS field in the DMA Control register when
controller’s data buffer. The data buffer is used to hold data that is transferred between
the source and destination bus.
the PCI/X bus is the source bus (see
VME Master
PCI/X Target
Linkage Module
Command
Write Buffer
Write Buffer
Data
PCI/X Bus
VMEbus
Section 10.4.76 on page
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
327).
Write Buffer
Write Buffer
80A3020_MA001_13