TL16PIR552 Datasheet, PDF (18/52 Pages) Texas Instruments – DUAL UART WITH DUAL IrDA AND 1284 PARALLEL PORT

TL16PIR552
DUAL UART WITH DUAL IrDA AND
1284 PARALLEL PORT
SLLS222A – DECEMBER 1995 – REVISED AUGUST 1996
PARAMETER MEASUREMENT INFORMATION
SOUTx
Start
50%
Data Bits
Parity
Stop
INTRPTx
(THRE)
td9
50%
td11
IOW _50%
(IOW THR)
50%
50%
td12
td11
50%
50%
td10
IOR IIR
Figure 12. Transmitter Timing Waveforms
Start
50%
50%
50%
td13
50%
IOW
(WR THR)
Byte #1
50%
SOUTx
Data
Parity
Stop
Start
50%
TXRDYx
td14
50%
td15
50%
Figure 13. Transmitter Ready (TXRDYx), FCR0 = 0 or FCR0 = 1 and FCR3 = 0 (Mode 0)
IOW
(IOW THR)
Byte #16
50%
SOUTx
Data
Parity
Stop
Start
50%
TXRDYx
td14
50%
td15
FIFO Full
50%
Figure 14. Transmitter Ready (TXRDYx), FCR0 = 1 and FCR3 = 1 (Mode 1)
18
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265