參數(shù)資料
型號: XC161CJ
廠商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller
中文描述: 16位單片機
文件頁數(shù): 53/79頁
文件大?。?/td> 2440K
代理商: XC161CJ
XC161
Derivatives
Electrical Parameters
Data Sheet
49
V2.2, 2003-06
4.4
Parameter Interpretation
The parameters listed in the following partly represent the characteristics of the XC161
and partly its demands on the system. To aid in interpreting the parameters right, when
evaluating them for a design, they are marked in column “Symbol”:
CC
(
C
ontroller
C
haracteristics):
The logic of the XC161 will provide signals with the respective characteristics.
SR
(
S
ystem
R
equirement):
The external system must provide signals with the respective characteristics to the
XC161.
5)
Overload conditions occur if the standard operating conditions are exceeded, i.e. the voltage on any pin
exceeds the specified range:
V
OV
>
V
DDP
+ 0.5 V (
I
OV
> 0) or
V
OV
<
V
SS
- 0.5 V (
I
OV
< 0). The absolute sum
of input overload currents on all pins may not exceed
50 mA
. The supply voltages must remain within the
specified limits.
Proper operation is not guaranteed if overload conditions occur on functional pins such as XTAL1, RD, WR,
etc.
6)
Not 100% tested, guaranteed by design and characterization.
7)
An overload current (
I
OV
) through a pin injects a certain error current (
I
INJ
) into the adjacent pins. This error
current adds to the respective pin’s leakage current (
I
OZ
). The amount of error current depends on the overload
current and is defined by the overload coupling factor
K
OV
. The polarity of the injected error current is inverse
compared to the polarity of the overload current that produces it.
The total current through a pin is |
I
TOT
| = |
I
OZ
| + (|
I
OV
|
×
K
OV
). The additional error current may distort the input
voltage on analog inputs.
8)
The timing is valid for pin drivers operating in default current mode (selected after reset). Reducing the output
current may lead to increased delays or reduced driving capability (
C
L
).
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