ATtiny43U Atmel Corporation, ATtiny43U Datasheet - Page 77

• Manufacturer Part Number: ATtiny43U
• Manufacturer: Atmel Corporation

Specifications of ATtiny43U

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 8 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• 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
• Eeprom (bytes): 64
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 0.7 to 5.5
• Operating Voltage (vcc): 0.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

8048B–AVR–03/09
Table 11-11. Overriding Signals for Alternate Functions in PB3..PB2
Table 11-12. Overriding Signals for Alternate Functions in PB1..PB0
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
PB3/T1/CLKO/PCINT9
CKOUT
0
CKOUT
1’b1
CKOUT
CKOUT • System Clock
0
PCINT9 • PCIE1
PCINT9 • PCIE1
T1/PCINT9 Input
PB1/OC0A/PCINT7
0
0
0
0
0
OC0A Enable
OC0A
PCINT7 • PCIE1
PCINT7 • PCIE1
PCINT7 Input
PB2/OC0B/PCINT8
0
0
0
0
OC0B Enable
OC0B
0
PCINT8 • PCIE1
PCINT8 • PCIE1
PCINT8 Input
PB0/T0/PCINT6
0
0
0
0
0
0
0
PCINT6 • PCIE1
PCINT6 • PCIE1
PCINT6 Input
77