ATtiny40 Atmel Corporation, ATtiny40 Datasheet - Page 194

• Manufacturer Part Number: ATtiny40
• Manufacturer: Atmel Corporation

Specifications of ATtiny40

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 18
• Ext Interrupts: 18
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

22.10 BOD, Bandgap and Reset
194
ATtiny40
Figure 22-44. BOD Threshold vs Temperature (BODLEVEL is 4.3V)
Figure 22-45. BOD Threshold vs Temperature (BODLEVEL is 2.7V)
4,34
4,32
4,28
4,26
4,24
4,22
4,18
4,16
2,76
2,74
2,72
2,68
2,66
2,64
2,62
4,3
4,2
2,7
-40
-40
-20
-20
0
0
20
20
Temperature [°C]
Temperature [°C]
40
40
60
60
80
80
8263A–AVR–08/10
100
100
V
V
V
V
CC
CC
CC
CC
RISING
FALLING
RISING
FALLING