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參數(shù)資料
| 型號： | 90S1200 |
| 廠商： | Atmel Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| 中文描述： | 位AVR微控制器具有8K字節(jié)的系統(tǒng)內可編程閃存 |
| 文件頁數(shù)： | 51/71頁 |
| 文件大?。?/td> | 1416K |
| 代理商： | 90S1200 |
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51
AT90S1200
0838H
–
AVR
–
03/02
Typical
Characteristics
The following charts show typical behavior. These figures are not tested during manu-
facturing. All current consumption measurements are performed with all I/O pins
configured as inputs and with internal pull-ups enabled. A sine wave generator with rail-
to-rail output is used as clock source.
The power consumption in Power-down mode is independent of clock selection.
The current consumption is a function of several factors such as: operating voltage,
operating frequency, loading of I/O pins, switching rate of I/O pins, code executed and
ambient temperature. The dominating factors are operating voltage and frequency.
The current drawn from capacitive loaded pins may be estimated (for one pin) as
C
L
V
CC
f where C
L
= load capacitance, V
CC
= operating voltage and f = average
switching frequency of I/O pin.
The parts are characterized at frequencies higher than test limits. Parts are not guaran-
teed to function properly at frequencies higher than the ordering code indicates.
The difference between current consumption in Power-down mode with Watchdog
Timer enabled and Power-down mode with Watchdog Timer disabled represents the dif-
ferential current drawn by the Watchdog Timer.
Figure 38.
Active Supply Current vs. Frequency
0
2
4
6
8
10
12
14
16
18
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
ACTIVE SUPPLY CURRENT vs. FREQUENCY
TA
Frequency (MHz)
I
c
(
V
cc
= 5.5V
V
cc
= 5V
V
cc
= 2.7V
V
cc
= 3.0V
V
cc
= 3.3V
V
cc
= 3.6V
V
cc
= 4V
V
cc
= 4.5V
V
cc
= 6V
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| 90S8535 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-Bit Microcontroller with 4K/8K Bytes In-System Programmable Flash |
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