ATtiny43U Atmel Corporation, ATtiny43U Datasheet - Page 76

• 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

76
ATtiny43U
Table 11-9 on page 76
overriding signals shown in
Table 11-9.
Table 11-10. Overriding Signals for Alternate Functions in PB5..PB4
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
Overriding Signals for Alternate Functions in PB7..PB6
PB7/INT0/PCINT15
0
0
0
0
0
0
0
(PCINT15 • PCIE1) + INT0
(PCINT15 • PCIE1) + INT0
INT0/PCINT15
PB5/OC1B/PCINT13
0
0
0
0
OC1B Enable + (USIWM1 • USIWM0)
OC1B • (~USIWM1• USIWM0) + USIWM1
• USIWM0 • DO
0
PCINT13 • PCIE1
PCINT13 • PCIE1
PCINT13
to
Table 11-12 on page 77
Figure 11-5 on page
68.
relate the alternate functions of Port B to the
PB6/PCINT14
0
0
USIWM1
USI_SCL_HOLD + PORTB6
USIWM1
0
USIPTOE
(PCINT14 • PCIE1) + USISIE
(PCINT14 • PCIE1) + USISIE
PCINT14/USCK/SCL
PB4/OC1A/PCINT10
0
0
USIWM1
(SDA + PORTB4) • DDRB4
OC1A Enable + (USIWM1 • DDRB4)
OC1A • (USIWM1• DDRB4)
0
PCINT10 • PCIE1 + USISIE
PCINT10 • PCIE1 + USISIE
PCINT10/DI/SDA
8048B–AVR–03/09