ATTINY20-XUR Atmel, ATTINY20-XUR Datasheet - Page 55
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ATTINY20-XUR
Manufacturer Part Number
ATTINY20-XUR
Description
MCU AVR 2KB FLASH 12MHZ 14TSSOP
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-XUR
Core Processor
AVR
Core Size
8-Bit
Speed
12MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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10.3.2
8235B–AVR–04/11
Alternate Functions of Port B
Table 10-6.
The Port B pins with alternate function are shown in
Table 10-7.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PB0
PB1
PB3
PB2
Overriding Signals for Alternate Functions in PA[1:0]
Port B Pins Alternate Functions
ADC1 / Analog Comparator Positive Input
PCINT1 • PCIE0 + ADC1D
PA1/ADC1/AIN0/PCINT1
PCINT1 • PCIE0
PCINT1 Input
Alternate Function
T0:
CLKI:
TPICLK: Serial Programming Clock
PCINT8: Pin Change Interrupt 1, Source 8
OC1A: Timer/Counter1 Compare Match A output
SDA:
MOSI:
TPIDATA: Serial Programming Data
PCINT9: Pin Change Interrupt 1, Source 9
INT0:
OC0A: Timer/Counter0 Compare Match A output
OC1B: Timer/Counter1 Compare Match B output
MISO:
CKOUT: System Clock Output
PCINT10:Pin Change Interrupt 1, Source 10
RESET: Reset pin
PCINT11:Pin Change Interrupt 1, Source 11.
0
0
0
0
0
0
0
Timer/Counter0 Clock Source
External Clock Input
TWI Data Input/Output
SPI Master Output / Slave Input
External Interrupt 0 Input
SPI Master Input / Slave Output
Table
10-7.
PCINT0 • PCIE0 + ADC0D
PA0/ADC0/PCINT0
PCINT0 • PCIE0
PCINT0 Input
ADC1 Input
0
0
0
0
0
0
0
ATtiny20
55
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