參數(shù)資料
型號: XR82C684JTR/44-F
廠商: Exar Corporation
文件頁數(shù): 106/107頁
文件大?。?/td> 0K
描述: IC UART CMOS QUAD 44PLCC
標準包裝: 500
特點: *
通道數(shù): 4,QUART
FIFO's: 3 字節(jié)
電源電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC(16.59x16.59)
包裝: 帶卷 (TR)
XR82C684
0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Input Port
Change
Delta Break
D
RXRDY/
FFULLD
TXRDYD
Counter #2
Ready
Delta Break
C
RXRDY/
FFULLC
TXRDYC
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 inputs are driven at 0.4V for a logic “0” and 2.4V for a logic “1” except for -40 to 85
C and -55 to 125C,
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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