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Липецкий государственный технический университет

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Микропроцессорные системы

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Figure 173. Analog Comparator Offset Voltage vs. Common Mode Voltage (VCC = 2.7V)

ANALOG COMPARATOR OFFSET VOLTAGE vs. COMMON MODE VOLTAGE

Comparator Offset Voltage (V)

Vcc = 2.7V

0.002

0.001

-0.001

25°C

-0.002

85°C

-0.003

-40°C

-0.004

0.5

1.5

2.5

Common Mode Voltage (V)

Internal Oscillator Speed

Figure 174. Watchdog Oscillator Frequency vs. VCC

FRC (kHz)

	WATCHDOG OSCILLATOR FREQUENCY vs. VCC
1300
1250	-40°C
	25°C
1200	85°C
1200

1150

1100

1050

1000

2.5

3.5

4.5

5.5

VCC (V)

288 ATmega8535(L)

2502K–AVR–10/06

ATmega8535(L)

Figure 175. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

8.5

5.5V

7.5

4.0V

2.7V

6.5

-50

-30

-10

110

Temp (C˚)

Figure 176. Calibrated 8 MHz RC Oscillator Frequency vs. VCC

CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. VCC

FRC (MHz)

8.5

-40°C

8.3

8.1

25°C

7.9

85°C

7.7

7.5

7.3

7.1

6.9

6.7

6.5

2.5

3.5

4.5

5.5

VCC (V)

289

2502K–AVR–10/06

Figure 177. Calibrated 8 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs.OSCCAL VALUE

FRC (MHz)

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

Figure 178. Calibrated 4 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 4 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

4.2

4.1

5.5V

3.9

3.8

4.0V

3.7

2.7V

3.6

3.5

-50

-30

-10

110

Temp (C˚)

290 ATmega8535(L)

2502K–AVR–10/06

ATmega8535(L)

Figure 179. Calibrated 4 MHz RC Oscillator Frequency vs. VCC

CALIBRATED 4 MHz RC OSCILLATOR FREQUENCY vs. VCC

FRC (MHz)

4.2

4.1

-40°C

25°C

85°C

3.9

3.8

3.7

3.6

3.5

3.4

2.5

3.5

4.5

5.5

VCC (V)

Figure 180. Calibrated 4 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 4 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

FRC (MHz)

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

291

2502K–AVR–10/06

Figure 181. Calibrated 2 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 2 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

2.1

2.05

5.5V

1.95

1.9

4.0V

1.85

2.7V

1.8

1.75

-50

-30

-10

110

Temp (C˚)

Figure 182. Calibrated 2 MHz RC Oscillator Frequency vs. VCC

CALIBRATED 2 MHz RC OSCILLATOR FREQUENCY vs. VCC

FRC (MHz)

2.15
2.15
2.1							-40°C
2.1
2.05
							25°C

2
							85°C

1.95
1.95
1.9
1.9
1.85
1.85
1.8
1.8
1.75
1.75
1.7
1.7
2.5	3	3.5	4	4.5	5	5.5

VCC (V)

292 ATmega8535(L)

2502K–AVR–10/06

ATmega8535(L)

Figure 183. Calibrated 2 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 2 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

FRC (MHz)

3.5

2.5

1.5

0.5

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

Figure 184. Calibrated 1 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 1 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

1.04

1.02

5.5V

0.98

0.96

4.0V

0.94

0.92

2.7V

0.9

-50

-30

-10

110

Temp (C˚)

293

2502K–AVR–10/06

Figure 185. Calibrated 1 MHz RC Oscillator Frequency vs. VCC

CALIBRATED 1 MHz RC OSCILLATOR FREQUENCY vs. VCC

FRC (MHz)

1.05
1.05
1.03							-40°C
1.03

1.01							25°C
1.01							25°C
0.99							85°C
0.99

0.97
0.97
0.95
0.95
0.93
0.93
0.91
0.91
0.89
0.89
0.87
0.87
0.85
0.85
2.5	3	3.5	4	4.5	5	5.5

VCC (V)

Figure 186. Calibrated 1 MHz RC Oscillator Frequency vs. Osccal Value

FRC (MHz)

CALIBRATED 1 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

1.8

1.6

1.4

1.2

0.8

0.6

0.4

0.2

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

294 ATmega8535(L)

2502K–AVR–10/06

			ATmega8535(L)


Current Consumption Of	Figure 187. Brownout Detector Current vs. VCC
Current Consumption Of	Figure 187. Brownout Detector Current vs. VCC
Peripheral Units
		BROWNOUT DETECTOR CURRENT vs. VCC
	0.025
	0.025
	0.02			-40°C
	0.02			-40°C
				25°C
	0.015			85°C
	0.015
	(mA)
	CC
	I
	0.01
	0.01

0.005

2.5

3.5

4.5

5.5

VCC (V)

Figure 188. ADC Current vs. VCC (AREF = AVCC)

ICC (uA)

ADC CURRENT vs. VCC

AREF = AVCC

600

500

-40°C

400

25°C

85°C

300

200

100

2.5

3.5

4.5

5.5

VCC (V)

295

2502K–AVR–10/06

Figure 189. AREF External Reference Current vs. VCC

AREF EXTERNAL REFERENCE CURRENT vs. VCC

250

200		25°C
		85°C


		-40°C
150
150
(uA)
CC
I
100
100

2.5

3.5

4.5

5.5

VCC (V)

Figure 190. Analog Comparator Current vs. VCC

ANALOG COMPARATOR CURRENT vs. VCC

ICC (uA)

120
100	85°C
	85°C
	25°C
80	-40°C
	-40°C
60

2.5

3.5

4.5

5.5

VCC (V)

296 ATmega8535(L)

2502K–AVR–10/06

Current Consumption In

Reset And Reset Pulsewidth

ATmega8535(L)

Figure 191. Programming Current vs. VCC

PROGRAMMING CURRENT vs. VCC

	12
	12
	10							-40°C
	10

(mA)	8							25°C
	8

	6							85°C
	6							85°C
CC
I
	4
	4
	2
	2
	0
	0
	2.5	3	3.5	4	4.5	5	5.5
				VCC (V)

Figure 192. Reset Supply Current vs. VCC (0.1 - 1.0 MHz, Excluding Current Through The Reset Pull-up)

RESET SUPPLY CURRENT vs. VCC

0.1 - 1.0 MHz, EXCLUDING CURRENT THROUGH THE RESET PULLUP

												5.5V
	2.5											5.0V
	2.5

(mA)	2											4.5V
	2

	1.5											4.0V
												4.0V
CC
CC
I												3.3V
												3.3V
	1											3.0V
	1											3.0V
												2.7V
	0.5
	0.5
	0
	0
	0	0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1
					Frequency (MHz)

297

2502K–AVR–10/06

Figure 193. Reset Supply Current vs. VCC (1 - 20 MHz, Excluding Current Through The Reset Pull-up)

RESET SUPPLY CURRENT vs. VCC

ICC (mA)

1 - 20 MHz, EXCLUDING CURRENT THROUGH THE RESET PULLUP

5.5V

5.0V

4.5V

4.0V

3.3V

3.0V

2.7V

Frequency (MHz)

Figure 194. Reset Pulse Width vs. VCC

RESET PULSE WIDTH vs. VCC

Pulsewidth (ns)

1200

1000

800

600
						85°C
400						25°C
						-40°C
200
0
2.5	3	3.5	4	4.5	5	5.5
			VCC (V)

298 ATmega8535(L)

2502K–AVR–10/06

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