參數(shù)資料
型號： SAF-XC2285M-72F80LAA
廠商： INFINEON TECHNOLOGIES AG
元件分類： 微控制器/微處理器
英文描述： RISC MICROCONTROLLER, PQFP144
封裝： 0.50 mm pitch, GREEN, PLASTIC, LQFP-144
文件頁數(shù)： 21/142頁
文件大小： 1112K
代理商： SAF-XC2285M-72F80LAA
XC2287M, XC2286M, XC2285M
XC2000 Family Derivatives / Base Line
Electrical Parameters
Data Sheet
117
V2.0, 2009-03
4.6.4
Pad Properties
The output pad drivers of the XC228xM can operate in several user-selectable modes.
Strong driver mode allows controlling external components requiring higher currents
such as power bridges or LEDs. Reducing the driving power of an output pad reduces
electromagnetic emissions (EME). In strong driver mode, selecting a slower edge
reduces EME.
The dynamic behavior, i.e. the rise time and fall time, depends on the applied external
capacitance that must be charged and discharged. Timing values are given for a
capacitance of 20 pF, unless otherwise noted.
In general, the performance of a pad driver depends on the available supply voltage
V
DDP. Therefore, Table 27 and Table 28 list the pad parameters for the upper voltage
range and the lower voltage range, respectively.
Note: These parameters are not subject to production test but verified by design and/or
characterization.
Table 27
Standard Pad Parameters (Upper Voltage Range)
Parameter
Symbol
Limit Values
Unit Note / Test
Condition
Min.
Typ.
Max.
Maximum output current
I
OLmax,
-
I
OHmax
––10
mA
Strong Driver
––4.0
mA
Medium Driver
––0.5
mA
Weak Driver
Nominal output current
I
OLnom,
-
I
OHnom
––2.5
mA
Strong Driver
––1.0
mA
Medium Driver
––0.1
mA
Weak Driver
Rise/Fall time (10%-90%)
Valid for external
capacitances in the range
of 20 pF
≤ C
L ≤ 100 pF
(
C
L in [pF])
t
R/tF
––4.2 +
0.14*
C
L
ns
Strong Driver,
Fast Edge
–
11.6 +
0.22*
C
L
ns
Strong Driver,
Medium Edge
–
20.6 +
0.22*
C
L
ns
Strong Driver,
Slow Edge
–
23 +
0.6*
C
L
ns
Medium Driver
–
212 +
1.9*
C
L
ns
Weak Driver
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