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PI7C9X752 Fiches technique(PDF) 17 Page - Diodes Incorporated

No de pièce PI7C9X752
Description  High Performance 1.62V To 3.6V Dual Uart with 64-Byte FIFO
PDF  47 Pages
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Fabricant  DIODES [Diodes Incorporated]
Site Internet  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PI7C9X752 Fiches technique(HTML) 17 Page - Diodes Incorporated

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www.diodes.com
April 2019
Diodes Incorporated
PI7C9X752
Document Number DS40312 Rev 3-2
A product Line of
Diodes Incorporated
PI7C9X752
5.4 Polled Mode Operation
In Polled mode (IER[3:0] = 0000) the status of the receiver and transmitter can be checked by polling the Line Status Register (LSR).
This mode is an alternative to the FIFO Interrupt mode of operation where the status of the receiver and transmitter is automatically
known by means of interrupts sent to the CPU. Figure 6 shows FIFO Polled mode operation.
read LSR
HOST
0
0 0 0
THR
RHR
LSR
IER
Figure 6. FIFO Polled mode operation



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