VLYNQ Port User's Guide

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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 13 .
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 13. 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.
32 VLYNQ Port SPRU938B – September 2007
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