參數(shù)資料
型號(hào): XR82C684
廠商: Exar Corporation
英文描述: CMOS QUAD CHANNEL UART (QUART)
中文描述: 的CMOS四通道UART(夸脫)
文件頁(yè)數(shù): 98/107頁(yè)
文件大?。?/td> 2244K
代理商: XR82C684
XR82C684
0
Bit 7
Bit 6
Bit 5
RXRDY/
FFULLD
Bit 4
TXRDYD
Bit 3
Bit 2
Bit 1
RXRDY/
FFULLC
Bit 0
TXRDYC
Input Port
Change
Delta Break
D
Counter #2
Ready
Delta Break
C
L**
L
L**
L
L**
L
L**
L
L**
L
L**
L
L**
L
L**
L
Table 42. Interrupt Mask Register 2, IMR2
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-9
-@
-4
-
-
-
-
-0
Table 43. Counter/Timer Upper Byte Register, CTUR (applies to CTUR1 and CTUR2)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
-B
-.
-9
-@
-4
-
-
-
Table 44. Counter/Timer Lower Byte Register, CTLR (applies to CTLR1 and CTLR2)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
$>B
$>.
$>9
$>@
$>4
$>
$>
$>
Table 45. Interrupt Vector Register: IVR (applies to IVR1 and IVR2)
K. Timing Diagrams
>
0>
% <%
>
0>
@>
Figure 55. Input and Output Levels for Timing Measurements
Note:
AC testing inputsare drivenat 0.4Vfor alogic “0”and 2.4Vfor alogic “1”except for-40 to85 C and-55 to125 C,
logic “1” shall be 2.6V. Timing measurements are made at 0.8V for a logic “0” and 2.0V for a logic “1”.
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XR82C68444 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:CMOS QUAD CHANNEL UART (QUART)
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