Rainbow-electronics W90P710CDG Manual de usuario Pagina 489

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W90P710CD/W90P710CDG
- 490 -
31 30 29 28 27 26 25 24
Tx [31:24]
23 22 21 20 19 18 17 16
Tx [23:16]
15 14 13 12 11 10 9 8
Tx [15:8]
7 6 5 4 3 2 1 0
Tx [7:0]
BITS DESCRIPTIONS
[31:0]
Tx
Data Transmit Register
The Data Transmit Registers hold the data to be transmitted in the next
transfer. Valid bits depend on the transmit bit length field in the CNTRL
register. For example, if CNTRL[Tx_BIT_LEN] is set to 0x08 and the
CNTRL[Tx_NUM] is set to 0x0, the bit Tx0[7:0] will be transmitted in next
transfer. If CNTRL[Tx_BIT_LEN] is set to 0x00 and CNTRL[Tx_NUM] is
set to 0x3, the core will perform four 32-bit transmit/receive successive
using the same setting (the order is Tx0[31:0], Tx1[31:0], Tx2[31:0],
Tx3[31:0]).
NOTE: The RxX and TxX registers share the same flip-flops, which
means that what is received from the input data line in one transfer will
be transmitted on the output data line in the next transfer if no write
access to the TxX register is executed between the transfers.
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