TSI148-133CL IDT, Integrated Device Technology Inc, TSI148-133CL Datasheet - Page 105

• 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 23: DMA Transaction: VME-to-PCI/X Completion
Tsi148 PCI/X-to-VME Bus Bridge User Manual
80A3020_MA001_13
Command
Read Buffer
Read Buffer
6. Once the read request is satisfied, or the programmed VMEbus block size value is
7. After arbitration, the read data is passed through the Linkage Module to the DMA
8. The DMA controller then issues a write request to the Linkage Module.
satisfied, the VME Master makes a request to the Linkage Module.
— The Block Size is programmed in the VBKS field in the DMA Control Register
controller’s data buffer. The data buffer is used to hold data that is transferred between
the source and destination bus.
Data
VME Master
when VME is the source bus (see
PCI/X Target
Linkage Module
Write Buffer
Write Buffer
PCI/X Bus
VMEbus
Section 10.4.76 on page
4. DMA Interface > Direction of Data Movement
Read Buffer
Read Buffer
Control
Registers
DMA Controller
PCI/X Master
VME Slave
Buffer
Command
327).
Write Buffer
Write Buffer
Data
105