ATmega168 Automotive Atmel Corporation, ATmega168 Automotive Datasheet - Page 43

• Manufacturer Part Number: ATmega168 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega168 Automotive

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• 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): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 150
• 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

7530I–AVR–02/10
Figure 8-2.
Figure 8-3.
Table 8-1.
Note:
INTERNAL
Symbol
V
V
V
V
V
t
TIME-OUT
RST
POT
PORMAX
PORMIN
CCRR
RST
INTERNAL
RESET
V
TIME-OUT
RESET
CC
V
RESET
CC
RESET
1. Before rising, the supply has to be between
V
CCRR
MCU Start-up, RESET Tied to V
MCU Start-up, RESET Extended Externally
Power On Reset Specifications
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal
Power-on Reset signal
VCC Min. start voltage to ensure internal
Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
Minimum pulse width on RESET pin
RESET Pin Threshold Voltage
V
V
V
RST
PORMA X
PORMIN
t
TOUT
ATmega48/88/168 Automotive
V
RST
t
TOUT
CC
V
PORMIN
(1)
and V
0.1V
–0.1
0.01
Min
1.1
0.8
PORMAX
CC
Typ
to ensure a Reset.
1.4
1.3
0.9V
Max
1.7
1.6
0.4
2.5
CC
Units
V/ms
µs
V
V
V
V
V
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