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TL16C2552 Datasheet, PDF (15/34 Pages) Texas Instruments – 1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS | |||
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www.ti.com
CHSEL,
A2 âA0
CS
IOR
Valid Address
td8
tw7
tw7
th7
td13
TL16C2552
SLWS163A â SEPTEMBER 2005 â REVISED JUNE 2006
Valid Address
td8
tw7
th7
tw7
D7 âD0
td10
td10
td11
Valid Data
Figure 12. Read Cycle Timing Waveforms
th11
Valid Data
RCLK
(Internal)
Sample Clock
(Internal)
TL16C450 Mode:
RXA, RXB
Start
Sample Clock
8 CLKs
Data Bits 5â 8
Parity
td12
Stop
INT
(data ready)
INT
(RCV error)
IOR
(read RBR)
50%
50%
td13
50%
td14
50%
50% Active
IOR
(read LSR)
50%
Active
td14
Figure 13. Receiver Timing Waveforms
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