ATTINY43U-SUR Atmel, ATTINY43U-SUR Datasheet - Page 70
ATTINY43U-SUR
Manufacturer Part Number
ATTINY43U-SUR
Description
MCU AVR 4KB FLASH 8MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY43U-SU.pdf
(182 pages)
Specifications of ATTINY43U-SUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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11.3.1
70
ATtiny43U
Alternate Functions of Port A
The Port A pins with alternate function are shown in
Table 11-3.
• Port A, Bit 0 – ADC0/PCINT0
ADC0: Analog to Digital Converter, Channel 0
PCINT0: Pin Change Interrupt source 0. The PA0 pin can serve as an external interrupt source
for pin change interrupt 0.
• Port A, Bit 1 – ADC1/PCINT1
ADC1: Analog to Digital Converter, Channel 1
PCINT1: Pin Change Interrupt source 1. The PA1 pin can serve as an external interrupt source
for pin change interrupt 0.
• Port A, Bit 2 – ADC2/PCINT2
ADC2: Analog to Digital Converter, Channel 2
PCINT2: Pin Change Interrupt source 2. The PA2 pin can serve as an external interrupt source
for pin change interrupt 0.
• Port A, Bit 3 – ADC3/PCINT3
ADC3: Analog to Digital Converter, Channel 3
PCINT3: Pin Change Interrupt source 3. The PA3 pin can serve as an external interrupt source
for pin change interrupt 0.
Port Pin
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
Port A Pins Alternate Functions
Alternate Function
ADC0:
PCINT0:Pin change interrupt 0 source 0.
ADC1:
PCINT1:Pin change interrupt 0 source 1.
ADC2:
PCINT2: Pin change interrupt 0 source 2.
PCINT3: Pin change interrupt 0 source 3.
AIN0:
PCINT4: Pin change interrupt 0 source 4.
AIN1:
PCINT5: Pin change interrupt 0 source 5.
PCINT6: Pin change interrupt 0 source 6.
CLKI:
RESET: Reset pin.
dW:
PCINT7: Pin change interrupt 0 source 7
ADC3: ADC input channel 3.
Analog Comparator Positive Input.
Analog Comparator Negative Input.
ADC input channel 0.
ADC input channel 1.
ADC input channel 2.
External Clock Input.
debugWire I/O.
.
.
.
.
Table 11-3 on page
70.
8048B–AVR–03/09
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