ATtiny40 Atmel Corporation, ATtiny40 Datasheet - Page 58

• 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

58
ATtiny40
• Port B, Bit 3 – ADC11/PCINT11
Table 10-8 on page 58
overriding signals shown in
Table 10-8.
Table 10-9.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
• PCINT10: Pin Change Interrupt source 10. The PB2 pin can serve as an external interrupt
• ADC11: Analog to Digital Converter, Channel 11
• PCINT11: Pin Change Interrupt source 11. The PB3 pin can serve as an external interrupt
source for pin change interrupt 1.
source for pin change interrupt 1.
Overriding Signals for Alternate Functions in PB[3:2]
Overriding Signals for Alternate Functions in PB[1:0]
PCINT11 • PCIE1 • ADC11D
PB3/ADC11/PCINT11
PCINT11 • PCIE1
PCINT9 • PCIE1 • ADC9D
PCINT11 Input
ASDC11 Input
and
PB1/ADC9/PCINT9
PCINT9 • PCIE1
0
0
0
0
0
0
0
ADC9 Input
Figure 10-6 on page
Table 10-9 on page 58
PCINT9
0
0
0
0
0
0
0
52.
.
relate the alternate functions of Port B to the
INT0 / PCINT10 / SPI Master Input
PCINT10 • PCIE1 • ADC10D
PB2/ADC10/PCINT10
PCINT10 • PCIE1
PCINT8 • PCIE1 • ADC8D
ADC10 Input
PB0/ADC8/PCINT8
PCINT8 • PCIE1
ADC8 Input
0
0
0
0
0
0
0
PCINT8
0
0
0
0
0
0
0
8263A–AVR–08/10