參數(shù)資料
型號: XR88C681
廠商: Exar Corporation
英文描述: CMOS DUAL CHANNEL UART (DUART)
中文描述: CMOS雙通道UART(杜阿爾特)
文件頁數(shù): 62/99頁
文件大?。?/td> 1913K
代理商: XR88C681
XR88C681
/
Input Port
Alternate Function(s)
Approach to Program Alternate Functions
#,
CTSA
4
74 (% ( (% '( 9" + +'(
$ ( +
#, ' -$ +'( %
( & %(- N<O J $($
$(%'%%( (% +'(" % %
G.3.
Section
#,
CTSB
4
74 (% ( (% '( 9 + +'(
$ ( + *
#, ' -$ +'( %
( & %(- *N<O J $($
$(%'%%( (% +'(" % %
*
Section G.3.
#,
CT_EX
4 .( 2! '3 #
RXCB
4 2! '3 ( + '(
*
#, ' -$ +'( % !
''3 ( + .( & %(-
N/4<O J N" " O $($ $(%'%
%( ( ++' + (% '( % %
D.2
#, ' % -$ +'( %
! ''3 ( + '( + *
& %(- *N>4<O J N" " " O + /5
'3" *N>4<O J N" " " O + 5 '3
Section
#,1
TXCA:
2! '3 ( + %(
#,1 ' -$ +'( % !
''3 ( + %( + & %
(- N14O J N" " " O + /5 '3"
N14O J N" " " O + 5 '3
#,<
RXCA
4 2! '3 ( + '(
#,< ' -$ +'( % !
''3 ( + '( + & %(-
N>4<O J N" " " O + /5 '3"
N>4<O J N" " " O + 5 '3
#,6
TXCB
4 2! '3 ( + %(
*
#,6 ' -$ +'( % !
''3 ( + %( + * & %
(- *N14O J N" " " O + /5 '3"
*N14O J N" " " O + 5 '3
Table 21. Listing of Alternate Function for the Input Port
E.2 Input Port Configuration Registers (IPCR)
- +% $'% ($$ +((%#, - #,1 % (% %$& 1=<38I
+ *0 <3% ! /
(- (- %(( % ( %(- % ''3 ($%
!(& 6
% ( -
- ( & % & '- + % % % % 6
#, #,N>4<O '$ -(% (% $ & , & '- + % ' % -$
- ( ( C# , - + D (
'%$(- ( ( ( '- -(% #, ( %"
% ( + + #, +% %% (% (
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Delta IP3
Delta IP2
Delta IP1
Delta IP0
IP3
IP2
IP1
IP0
J 7
J G
J 7
J G
J 7
J G
J 7
J G
J 9
J 8(-
J 9
J 8(-
J 9
J 8(-
J 9
J 8(-
Table 22. Input Port Configuration Register - IPCR
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