IXF1104
5.10.3ID Register
The ID register is a
5.10.4Boundary Scan Register
The Boundary Scan register is a shift register made up of all the boundary scan cells associated with the device signals. The number, type, and order of the boundary scan cells are specified in the IXF1104 BSDL file. The EXTEST and SAMPLE instructions connect this register between TDI and TDO.
5.10.5Bypass Register
The Bypass register is a
5.11Loopback Modes
The IXF1104 provides two loopback modes for device diagnostic testing when it has been integrated into a user system. A
5.11.1SPI3 Interface Loopback
To provide a diagnostic loopback feature on the SPI3 interface, it is possible to configure the IXF1104 to loop back any data written to the IXF1104 through the SPI3 transmit interface back to the SPI3 receive interface. This is accomplished using the data path shown in Figure 33.
Note: Loopback packets also appear on the line side TX interface.
124 | Datasheet |
Document Number: 278757
Revision Number: 007
Revision Date: March 25, 2004