NS16C552 Datasheet, PDF (10/24 Pages) Texas Instruments – PC16552D Dual Universal Asynchronous Receiver/Transmitter with FIFOs†

4 0 Timing Waveforms All timings are referenced to valid 0 and valid 1 (Continued)
Receiver Ready FCR0 e 1 and FCR3 e 1 (Mode 1)
Note 1 This is the reading of the last byte in the FIFO
Note 2 If FCR0 e 1 t_SINT e 3 RCLKs
TL C 9426 – 13
Transmitter Ready FCR0 e 0 or FCR0 e 1 and FCR3 e 0 (Mode 0)
Transmitter Ready FCR0 e 1 and FCR3 e 1 (Mode 1)
TL C 9426 – 14
TL C 9426 – 15
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