XR82C684CJTR/44-F View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XR82C684CJTR/44-F

CMOS Quad Channel UART (QUART)

Exar Corporation 

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XR82C684

$(( +PB7Q

00001111

! )%# !B  !

11110000

 *  +  +(% +B  +

11110000

! %% 5

( +PB7Q

11111111

00000000

Figure 38. Illustration of the “Set Output Port Bit #1” Command And Its Effect on the

Output Port Register and the State of the Output Port Pins

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(% ( Figure 38

$ %&# *    /  +  )(% D1 ' .

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! L . %% ( +PQ L /1#   +  (#

+ L /1

  /  +  )(% D1 '  (% & %(( 

  /  +  )(% D1 '  "'    

% 3 3(   %% 5 Figure 38A

%%  (%( *   /  +  )(% D1

'   (% **'    +  ,(% 

  % *    +  (%

$(( +PB7Q

00001111

 *  +  +(% +9  +0

11110000

! )%# !B  !

11110000

! %% 

( +PB7Q

11111111

00000000

Figure 38A, Illustration of the “Set Output Port BiT #2” Command and its Effect on the

Output Port Register and the State of the Output Port Pins.

 

B4

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