AD9963BCPZ Ver la hoja de datos (PDF) - Analog Devices
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AD9963BCPZ Datasheet PDF : 61 Pages
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Data Sheet
Table 26 shows the operating modes vs. serial port configuration
bits.
Table 26. TRx Bus Operation via Serial Port
TXEN
RXEN
TRXD Bus
Direction
Tx Bus
Function
0
0
High-Z
High-Z
0
1
Rx
High-Z
1
0
Tx
High-Z
1
1
Rx
High-Z
Table 27 shows the operating modes of the TRXD bus as a
function of the TXnRX signal. The Tx bus is high impedance in
half-duplex mode.
Table 27. Rx Bus Operation via TXnRX Pin
TXnRX State
TRXD Bus
Direction
Tx Bus Function
0
Rx
High-Z
1
Tx
High-Z
The timing of the bus turnaround is shown in the Figure 83 and
Figure 84.
TXnRX
TRXIQ
tTXRDY
HIGH-Z
AD9961/AD9963
TXnRX
tTXRDY
TRXIQ
HIGH-Z
TRXD[11:0]
HIGH-Z
Figure 84. Half-Duplex Bus Turnaround, Tx to Rx
TRXD[11:0]
HIGH-Z
Figure 83. Half-Duplex Bus Turnaround, Rx to Tx
Rev. A | Page 51 of 60
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