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3.8
Transmit Address Map Register (XAM)
VLYNQ Port Registers
The transmit address map register (XAM) is used to translate transmit packet addresses to remote device
configuration bus addresses. The XAM is shown in
Figure 16
and described in
Table 14
.
Figure 16. Transmit Address Map Register (XAM)
31
2
1
0
TXADRMAP
Reserved
R/W-0
R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 14. Address Map Register (XAM) Field Descriptions
Bit
Field
Value
Description
31-2
TXADRMAP
0-3FFF FFFFh
This field is subtracted from the slave configuration bus address [25:0] to obtain the zero
relative transmit packet address. This field should be programmed with a value of 0 (reset
value).
1-0
Reserved
0
Reserved. Always read as 0. Writes have no effect.
SPRUE36A – September 2007
VLYNQ Port
33
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