ATmega48 Automotive Atmel Corporation, ATmega48 Automotive Datasheet - Page 182

• Manufacturer Part Number: ATmega48 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega48 Automotive

• Flash (kbytes): 4 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 24
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 256
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

22.5
Table 22-6.
182
Symbol Parameter
TUE
R
DNL
Vref
V
INL
V
AIN
INT
IN
ADC Characteristics – Preliminary Data
Atmel ATtiny24/44/84 [Preliminary]
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral Non-linearity (INL)
Differential Non-linearity (DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
External Voltage Reference
Input Voltage
Internal Voltage Reference
Analog Input Resistance
ADC Characteristics, Single Ended Channels. -40°C - 125°C
Single-ended conversion
Single-ended conversion
V
ADC clock = 200kHz
Single-ended conversion
V
ADC clock = 200kHz
Noise Reduction Mode
Single-ended conversion
V
ADC clock = 200kHz
Single-ended conversion
V
ADC clock = 200kHz
Single-ended conversion
V
ADC clock = 200kHz
Single-ended conversion
V
ADC clock = 200kHz
Free running conversion
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
GND
2.56
Min
-5.0
-3.5
1.0
65
50
Typ
-3.0
100
2.0
2.0
0.5
0.3
1.5
1.1
10
AVCC
V
Max
260
200
4.0
4.0
1.5
0.7
5.0
1.2
3.5
REF
7701E–AVR–02/11
Units
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
M
µs
V
V
V