ATtiny40 Atmel Corporation, ATtiny40 Datasheet - Page 182

• 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

22.7
182
Pull-up Resistors
ATtiny40
Figure 22-20. I/O pin Pull-up Resistor Current vs. Input Voltage (V
Figure 22-21. I/O Pin Pull-up Resistor Current vs. input Voltage (V
50
45
40
35
30
25
20
15
10
80
70
60
50
40
30
20
10
5
0
0
0
0
0,2
0
5 ,
0,4
0,6
1
0,8
V
V
OP
OP
1
1
5 ,
[V]
[V]
1,2
2
1,4
CC
CC
= 1.8V)
= 2.7V)
1,6
2
5 ,
1,8
8263A–AVR–08/10
2
3
-40 °C
25 °C
85 °C
-40 °C
25 °C
85 °C