ATmega8535(L)

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

ANALOG COMPARATOR OFFSET VOLTAGE vs. COMMON MODE VOLTAGE

	0.002			Vcc = 2.7V
	0.001
(V)
Voltage	0
Offset	-0.001
Comparator							25°C
	-0.002
							85°C
	-0.003
							-40°C
	-0.004
	0	0.5	1	1.5	2	2.5	3

Common Mode Voltage (V)

Internal Oscillator Speed

Figure 174. Watchdog Oscillator Frequency vs. VCC

WATCHDOG OSCILLATOR FREQUENCY vs. VCC

	1300
	1250						-40°C
							25°C
	1200						85°C
(kHz)	1150
RC
F
	1100
	1050
	1000
	2.5	3	3.5	4	4.5	5	5.5

VCC (V)

285

2502F–AVR–06/04

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

CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

	9
	8.5
	8
(MHz)									5.5V
	7.5
RC									4.0V
F
	7
									2.7V
	6.5
	6
	-50	-30	-10	10	30	50	70	90	110

Temp (C˚)

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

CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. VCC

	8.5						-40°C
	8.3
	8.1						25°C
	7.9
(MHz)	7.7						85°C
	7.5
RC
F	7.3
	7.1
	6.9
	6.7
	6.5
	2.5	3	3.5	4	4.5	5	5.5

VCC (V)

286 ATmega8535(L)

2502F–AVR–06/04

ATmega8535(L)

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

CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs.OSCCAL VALUE

	18
	16
	14
	12
(MHz)	10
RC	8
F
	6
	4
	2
	0
	0	16	32	48	64	80	96	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

	4.2
	4.1
	4
(MHz)									5.5V
	3.9
RC	3.8
F									4.0V
	3.7
	3.6								2.7V
	3.5
	-50	-30	-10	10	30	50	70	90	110

Temp (C˚)

287

2502F–AVR–06/04

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

CALIBRATED 4 MHz RC OSCILLATOR FREQUENCY vs. VCC

	4.2
	4.1							-40°C
	4							25°C
	3.9							85°C
(MHz)
	3.8
RC
F	3.7
	3.6
	3.5
	3.4
	2	2.5	3	3.5	4	4.5	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

	9
	8
	7
	6
(MHz)	5
RC	4
F
	3
	2
	1
	0
	0	16	32	48	64	80	96	112	128	144	160	176	192	208	224	240

OSCCAL VALUE

288 ATmega8535(L)

2502F–AVR–06/04

ATmega8535(L)

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

CALIBRATED 2 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

	2.1
	2.05
	2
(MHz)									5.5V
	1.95
RC	1.9
F									4.0V
	1.85
	1.8								2.7V
	1.75
	-50	-30	-10	10	30	50	70	90	110

Temp (C˚)

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

CALIBRATED 2 MHz RC OSCILLATOR FREQUENCY vs. VCC

	2.15
	2.1
	2.05						-40°C
	2						25°C
(MHz)	1.95						85°C
RC	1.9
F
	1.85
	1.8
	1.75
	1.7
	2.5	3	3.5	4	4.5	5	5.5

VCC (V)

289

2502F–AVR–06/04

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

CALIBRATED 2 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

	4
	3.5
	3
(MHz)	2.5
	2
RC
F	1.5
	1
	0.5
	0
	0	16	32	48	64	80	96	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

	1.04
	1.02
	1
(MHz)									5.5V
	0.98
RC	0.96
F
									4.0V
	0.94
	0.92
									2.7V
	0.9
	-50	-30	-10	10	30	50	70	90	110

Temp (C˚)

290 ATmega8535(L)

2502F–AVR–06/04

ATmega8535(L)

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

CALIBRATED 1 MHz RC OSCILLATOR FREQUENCY vs. VCC

	1.05
	1.03						-40°C
	1.01						25°C
	0.99						85°C
(MHz)	0.97
	0.95
RC
F	0.93
	0.91
	0.89
	0.87
	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

CALIBRATED 1 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

	2
	1.8
	1.6
	1.4
(MHz)	1.2
	1
RC
F	0.8
	0.6
	0.4
	0.2
	0
	0	16	32	48	64	80	96	112	128	144	160	176	192	208	224	240

OSCCAL VALUE

291

2502F–AVR–06/04

Current Consumption Of

Peripheral Units

Figure 187. Brownout Detector Current vs. VCC

BROWNOUT DETECTOR CURRENT vs. VCC

0.025
0.02						-40°C
						25°C
0.015						85°C
(mA)
CC
I
0.01
0.005
0
2.5	3	3.5	4	4.5	5	5.5

VCC (V)

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

ADC CURRENT vs. VCC

AREF = AVCC

	600
	500
							-40°C
	400						25°C
(uA)							85°C
	300
CC
I
	200
	100
	0
	2.5	3	3.5	4	4.5	5	5.5

VCC (V)

292 ATmega8535(L)

2502F–AVR–06/04

ATmega8535(L)

Figure 189. AREF External Reference Current vs. VCC

AREF EXTERNAL REFERENCE CURRENT vs. VCC

250
200						25°C
						85°C
						-40°C
150
(uA)
CC
I
100
50
0
2.5	3	3.5	4	4.5	5	5.5

VCC (V)

Figure 190. Analog Comparator Current vs. VCC

ANALOG COMPARATOR CURRENT vs. VCC

	120
	100						85°C
							25°C
	80						-40°C
(uA)	60
CC
I
	40
	20
	0
	2.5	3	3.5	4	4.5	5	5.5

VCC (V)

293

2502F–AVR–06/04

Current Consumption In

Reset And Reset Pulsewidth

Figure 191. Programming Current vs. VCC

PROGRAMMING CURRENT vs. VCC

	12
	10
							-40°C
	8
(mA)							25°C
	6						85°C
CC
I
	4
	2
	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

	3
											5.5V
	2.5
											5.0V
	2										4.5V
(mA)	1.5										4.0V
CC
I											3.3V
	1										3.0V
											2.7V
	0.5
	0
	0	0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1

Frequency (MHz)

294 ATmega8535(L)

2502F–AVR–06/04

ATmega8535(L)

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

Reset Pull-up)

RESET SUPPLY CURRENT vs. VCC

1 - 20 MHz, EXCLUDING CURRENT THROUGH THE RESET PULLUP

25
										5.5V
20										5.0V
										4.5V
15
(mA)
CC									4.0V
I
10
								3.3V
5
						3.0V
					2.7V
0
0	2	4	6	8	10	12	14	16	18	20

Frequency (MHz)

Figure 194. Reset Pulse Width vs. VCC

RESET PULSE WIDTH vs. VCC

	1200
	1000
(ns)	800
Pulsewidth	600
							85°C
	400						25°C
							-40°C
	200
	0
	2.5	3	3.5	4	4.5	5	5.5

VCC (V)

295

2502F–AVR–06/04