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USB Registers
16.5.5.120 TXGCR29 Register (offset = BA0h) [reset = 0h]
TXGCR29 is shown in Figure 16-271 and described in Table 16-283.
Figure 16-271. TXGCR29 Register
31 30 29 28 27 26 25 24
TX_ENABLE TX_TEARDOWN Reserved
R/W-0h R/W-0h
23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8
Reserved TX_DEFAULT_QMGR TX_DEFAULT_QNUM
W-0h W-0h
7 6 5 4 3 2 1 0
TX_DEFAULT_QNUM
W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-283. TXGCR29 Register Field Descriptions
Bit Field Type Reset Description
31 TX_ENABLE R/W 0h This field enables or disables the channel
0 = channel is disabled
1 = channel is enabled This field will be cleared after a channel
teardown is complete.
30 TX_TEARDOWN R/W 0h Setting this bit will request the channel to be torn down.
This field will remain set after a channel teardown is complete.
13-12 TX_DEFAULT_QMGR W 0h This field controls the default queue manager number that will be
used to queue teardown descriptors back to the host.
11-0 TX_DEFAULT_QNUM W 0h This field controls the default queue number within the selected
queue manager onto which teardown descriptors will be queued
back to the host.
Table
98 -Tx Channel N Global Configuration Registers
2077
SPRUH73H–October 2011–Revised April 2013 Universal Serial Bus (USB)
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