xr82c684 Exar Corporation, xr82c684 Datasheet - Page 60
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xr82c684
Manufacturer Part Number
xr82c684
Description
Cmos Quad Channel Uart Quart
Manufacturer
Exar Corporation
Datasheet
1.XR82C684.pdf
(107 pages)
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Note: The “shaded” options are only available in the 68 pin
Table 13. ACR1[6:4] Bit Field Definition - C/T#1
Note: The “shaded” options are only available in the 68 pin
Table 13A. ACR2[6:4] Bit Field Definition - C/T#2
D.3.1 Timer Mode:
Please note that of the two C/T Modes, the Timer Mode is
the only mode which is relevant to the function of Bit Rate
Selection.
Mode is also discussed below.
Bit
Bit
XR82C684
6
6
PLCC.
PLCC.
Bit
Bit
5
5
Sections D.3.1
Bit
However, for completeness, the Counter
4
Bit
4
Mode
Mode
C/T
C/T
D.3.2
Timing Source
Timing Source
Table 1
Table 1
Frequency of Selected Timing Source
Frequency of Selected Timing Source
CTUR
CTUR
+ CTLR
+ CTLR