DS633 Datasheet, PDF (8/10 Pages) Xilinx, Inc – PLB interface is based on PLB v4.6 specification

PLB to FSL Bridge v1.00a
PLB to FSL Bridge Write Control Register (WRCTRL)
Writing to this register will result in a write on the Master FSL Interface if the FSL_M_Full flag is not asserted.
The FSL_M_Control bit will be set to 1 if C_USE_CONTROL is enabled when writing to this register otherwise
it will be 0. The register is write only and a read request issued to WRCTRL will be ignored. Bit assignment in the
WRCTRL register is described in Table 8.
Table 7: Write Control Register
0
WRCTRL
C_FSL_DWIDTH-1
Table 8: PLB to FSL Bridge Write Control Register Bit Definitions
Bit(s)
Name
Core
Access
Reset
Value
Description
0 - C_FSL_DWIDTH
-1
WRCTRL
Write
-
Write register to transfer control word to the
Master FSL interface on the bridge
PLB to FSL Bridge Read Data Register (RDDATA)
Reading from this register will result in a read on the Slave FSL Interface if the FSL_S_Exists flag is asserted. If
C_USE_CONTROL is enabled and FSL_S_Control bit is set to 1 the Control bit Error bit in the Error register will
be asserted. The register is read only and a write request issued to RDDATA will be ignored. Bit assignment in the
RDDATA register is described in Table 10.
Table 9: Read Data Register
0
RDDATA
C_FSL_DWIDTH-1
Table 10: PLB to FSL Bridge Read Data Register Bit Definitions
Bit(s)
Name
Core
Access
Reset
Value
Description
0 - C_FSL_DWIDTH
-1
RDDATA
Read
-
Read register to get data word from the Slave
FSL interface on the bridge
PLB to FSL Bridge Read Control Register (RDCTRL)
Reading from this register will result in a read on the Slave FSL Interface if the FSL_S_Exists flag is asserted. If
C_USE_CONTROL is enabled and FSL_S_Control bit is set to 0 the Control bit Error bit in the Error register will
be asserted. The register is read only and a write request issued to RDCTRL will be ignored. Bit assignment in the
RDCTRL register is described in Table 12.
Table 11: Read Control Register
0
RDCTRL
C_FSL_DWIDTH-1
8
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DS633 July, 4, 2007
Product Specification