ATmega48 Automotive Atmel Corporation, ATmega48 Automotive Datasheet - Page 205

• 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

7701E–AVR–02/11
Figure 23-34. Calibrated 8MHz RC oscillator Frequency vs. Temperature
Figure 23-35. Calibrated 8MHz RC Oscillator Frequency vs, OSCCAL Value
8.4
8.3
8.2
8.1
7.9
7.8
7.7
16
14
12
10
8
6
4
2
0
8
-40
0
16
-30
CALIBRATED 8.0MHz RC OS CILLATOR FREQUENCY vs . OS CCAL VALUE
CALIBRATED 8.0MHz RC OS CILLATOR FREQUENCY vs . TEMP ERATURE
-20
32
-10
48
Atmel ATtiny24/44/84 [Preliminary]
64
0
10
80
20
96
112
30
OSCCAL (X1)
Temperature
40
128
(Vcc=3V)
144
50
60
160
70
176
80
192
90
208
100 110 120
224
240
125 ˚C
-40 ˚C
85 ˚C
5.0 V
3.0 V
25 ˚C
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