ST16C650AIQ48 View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

ST16C650AIQ48

2.90V TO 5.5V UART WITH 32-BYTE FIFO

Exar Corporation 

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ST16C650A

2.90V TO 5.5V UART WITH 32-BYTE FIFO

FIGURE 20. DATA BUS READ TIMING IN INTEL BUS MODE USING AS#

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REV. 5.0.0

AS#

TAS1

A0-A2

CS2#

TCS1

CS0 or CS1

IOR#

IOR

DDIS#

TASW

TAH1

Valid

Address

TCS

TCSH

TRD1

TRD

TDIS

D0-D7

TRDV

Valid

Data

TAS2

TCS2

TDY

TASW

TAH2

Valid

Address

TCS

TCSH

TRD2

TRD

TDIS

TDD

TRDV

TDD

Valid

Data

Note: Only one chipselect and one read strobe should be used.

FIGURE 21. DATA BUS WRITE TIMING IN INTEL BUS MODE USING AS#

AS#

TAS1

A0-A2

TCS1

CS2#

CS0 or CS1

IOW#

IOW

D0-D7

TASW

TAH1

Valid

Address

TCS

TCSH

TWR1

TWR

TDS2

Valid

Data

TAS2

TCS1

TDY

TDH2

Note: Only one chipselect and one write strobe should be used.

TASW

TAH2

Valid

Address

TCS

TCSH

TWR1

TWR

TDS2

Valid

Data

TDH2

44

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