ATmega48 Automotive Atmel Corporation, ATmega48 Automotive Datasheet - Page 204

• 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

23.9
204
Internal Oscillator Speed
Atmel ATtiny24/44/84 [Preliminary]
Figure 23-32. Watchdog Oscillator Frequency vs. V
Figure 23-33. Calibrated 8MHz RC Oscillator Frequency vs. V
124
122
120
118
116
114
112
110
108
106
104
8.5
7.5
6.5
9
8
7
6
2.5
2.5
CALIBRATED 8.0MHz RC OS CILLATOR FREQUENCY vs . OP ERATING VOLTAGE
WATCHDOG OS CILLATOR FREQUENCY vs . OP ERATING VOLTAGE
3
3
3.5
3.5
V
V
CC
CC
4
4
(V)
(V)
CC
4.5
4.5
CC
5
5
7701E–AVR–02/11
5.5
5.5
-40 ˚C
25 ˚C
85 ˚C
125 ˚C
125 ˚C
-40 ˚C
25 ˚C
85 ˚C