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ATMEGA2560-16AU-SL383 参数 Datasheet PDF下载

ATMEGA2560-16AU-SL383图片预览
型号: ATMEGA2560-16AU-SL383
PDF下载: 下载PDF文件 查看货源
内容描述: [Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP100, 14 X 14 MM, 1 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, MS-026AED, TQFP-100]
分类和应用: 时钟微控制器
文件页数/大小: 448 页 / 7518 K
品牌: ATMEL [ ATMEL ]
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ATmega640/1280/1281/2560/2561  
31.5 System and Reset Characteristics  
Table 31-3. Reset, Brown-out and Internal voltage CharacteristicsCharacteristics  
Symbol  
Parameter  
Condition  
Min  
Typ  
Max  
Units  
Power-on Reset Threshold Voltage  
(rising)  
0.7  
1.0  
1.4  
V
VPOT  
Power-on Reset Threshold Voltage  
(falling)(1)  
0.05  
0.9  
1.3  
V
VPSR  
VRST  
tRST  
VHYST  
tBOD  
VBG  
tBG  
Power-on slope rate  
0.01  
4.5  
0.9VCC  
2.5  
V/ms  
V
RESET Pin Threshold Voltage  
Minimum pulse width on RESET Pin  
Brown-out Detector Hysteresis  
Min Pulse Width on Brown-out Reset  
Bandgap reference voltage  
0.2VCC  
ns  
50  
2
mV  
ns  
VCC=2.7V,TA= 25°C  
VCC=2.7V,TA= 25°C  
VCC=2.7V,TA= 25°C  
1.0  
1.1  
40  
10  
1.2  
70  
V
Bandgap reference start-up time  
Bandgap reference current consumption  
µs  
IBG  
µA  
Note:  
1. The Power-on Reset will not work unless the supply voltage has been below VPOT (falling).  
Table 31-4. BODLEVEL Fuse Coding(1)  
BODLEVEL 2:0 Fuses  
Min VBOT  
Typ VBOT  
Max VBOT  
Units  
111  
110  
101  
100  
011  
010  
001  
000  
BOD Disabled  
1.7  
2.5  
4.1  
1.8  
2.7  
4.3  
2.0  
2.9  
4.5  
V
Reserved  
Note:  
1. VBOT may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is  
tested down to VCC = VBOT during the production test. This guarantees that a Brown-Out Reset will occur before VCC drops to  
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using  
BODLEVEL = 110 for 4 MHz operation of ATmega640V/1280V/1281V/2560V/2561V, BODLEVEL = 101 for 8 MHz operation  
of ATmega640V/1280V/1281V/2560V/2561V and ATmega640/1280/1281, and BODLEVEL = 100 for 16 MHz operation of  
ATmega640/1280/1281/2560/2561  
31.6 2-wire Serial Interface Characteristics  
Table 31-5 describes the requirements for devices connected to the 2-wire Serial Bus. The  
ATmega640/1280/1281/2560/2561 2-wire Serial Interface meets or exceeds these requirements under the noted  
conditions.  
375  
2549L–AVR–08/07  
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