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PI7C9X752 Datasheet(PDF) 42 Page - Diodes Incorporated

Part # PI7C9X752
Description  High Performance 1.62V To 3.6V Dual Uart with 64-Byte FIFO
PDF  47 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PI7C9X752 Datasheet(HTML) 42 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
TWRI
Start Bit
D0 : D7
D0 : D7
D0 : D7
TX
(Unloading)
INT*
IOW#
(Loading data
into THR)
Stop Bit
TWRI
TWRI
ISR is read
ISR is read
ISR is read
IER[1]
enabled
*INT is cleared when the ISR is read or when data is loaded into the THR.
TXRDY#
TSRT
TSRT
TSRT
TWT
TWT
TWT
Start Bit
D0 : D7
RX
INT
IOR#
(Reading data out
of RX FIFO)
S
S D0 : D7
S
T
D0 : D7
D0 : D7 T
S D0 : D7 T S
T
D0 : D7
S D0 : D7 T
RX FIFO fills up to RX
Trigger Level or RX Data
Timeout
RX FIFO drops
below RX
Trigger Level
TSSI
TRRI
TRR
First Byte is
Received in
RX FIFO
TSSR
FIFO
Empties
Stop Bit
RXRDY#
Figure 14. Transmit ready & Interrupt timing [non-FIFO mode] for Channel A-D
Figure 15. Receive ready & Interrupt timing [FIFO mode, DMA disabled] for Channels A-D



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