XR82C684J-F View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XR82C684J-F

CMOS Quad Channel UART (QUART)

Exar Corporation 

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XR82C684

Field

Bit Rate

PB7@Q


PBQ L   
PBQ L


PBQ L   
PBQ L 

P47Q

8L

8L

8L

8L









9

B9

B9

9



















4@9



4@9



4@9



4@9











9

9











4

4.

4

4.









.

@@=

.

@@=



















9

00=

9B.=





00=

9B.=

























@

@0

B

9=

@0

0

@

@0

0

9=

@0

B

















.

40@=

.

=

.

=

.

40@=

























(

5"  .8

5"  8

(

5"  .8

5"  8

(

5"  .8

5"  8

(

5"  .8

5"  8

Note: The “shaded” options are only available in the 68 pin PLCC

Table 15. Bit Rate Selection via the Clock Select Registers,

CSR[3:0] and CSR[7:4] for Oscillator frequency of 3.6864 MHz

Field

Bit Rate

PB7@Q


PBQ L   
PBQ L


PBQ L   
PBQ L 

P47Q

8L

8L

8L

8L











9

9



























.

.

.

.









@

4

4

@

























.



@

B

00=

9B.=

.



@

B

00=

9B.=



















@0

9=

4@=

@

@0

9=

4@=

























.

@@=

=

.

4.

=

.

4.

=

.

@@=

=

















B.0=

(

40@=

(

40@=

(

B.0=

(

















5"  .8

5"  8

5"  .8

5"  8

5"  .8

5"  8

5"  .8

5"  8

Note: The “shaded” options are only available in the 68 pin PLCC

Table 15A Bit Rate Selection via the Clock Select Registers,

CSR[3:0] and CSR[7:4] for Oscillator frequency of 7.3728 MHz

 

.

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