PI7C9X752 datasheet(42/47 Pages) DIODES

부품명	PI7C9X752

상세설명	High Performance 1.62V To 3.6V Dual Uart with 64-Byte FIFO

PDF	47 Pages

Scroll/Zoom	100%

제조업체	DIODES [Diodes Incorporated]

홈페이지	http://www.diodes.com

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42 / 47 page

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April 2019

Diodes Incorporated

PI7C9X752

Document Number DS40312 Rev 3-2

A product Line of

Diodes Incorporated

PI7C9X752

TWRI

Start Bit

D0 : D7

(Unloading)

INT*

IOW#

(Loading data

into THR)

Stop Bit

TWRI

ISR is read

IER[1]

enabled

*INT is cleared when the ISR is read or when data is loaded into the THR.

TXRDY#

TSRT

TWT

Start Bit

D0 : D7

INT

IOR#

(Reading data out

of RX FIFO)

S D0 : D7

D0 : D7

D0 : D7 T

S D0 : D7 T S

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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