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22.4.1.31 Transmit TDM Time Slot Register (XTDM)
The transmit TDM time slot register (XTDM) specifies in which TDM time slot the transmitter is active.
TDM time slot counter range is extended to 384 slots (to support SPDIF blocks of 384 subframes). XTDM
operates modulo 32, that is, XTDMS specifies the TDM activity for time slots 0, 32, 64, 96, 128, etc. The
XTDM is shown in Figure 22-69 and described in Table 22-42.
Figure 22-69. Transmit TDM Time Slot Register (XTDM)
31 0
XTDMS[n]
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 22-42. Transmit TDM Time Slot Register (XTDM) Field Descriptions
Bit Field Value Description
31-0 XTDMS[31-0] Transmitter mode during TDM time slot n.
0 Transmit TDM time slot n is inactive. The transmit serializer does not shift out data during this slot.
1 Transmit TDM time slot n is active. The transmit serializer shifts out data during this slot according to
the serializer control register (SRCTL).
3868
Multichannel Audio Serial Port (McASP) SPRUH73H–October 2011–Revised April 2013
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