ATTINY20-MMHR Atmel, ATTINY20-MMHR Datasheet - Page 59
ATTINY20-MMHR
Manufacturer Part Number
ATTINY20-MMHR
Description
MCU AVR 2KB FLASH 12MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-MMHR
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY20-MMHR
Manufacturer:
ATMEL
Quantity:
20 000
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- Download datasheet (6Mb)
10.4.7
10.4.8
10.4.9
8235B–AVR–04/11
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins
Bit
0x06
Read/Write
Initial Value
Bit
0x05
Read/Write
Initial Value
Bit
0x04
Read/Write
Initial Value
R
R
R
7
–
0
7
–
0
7
–
0
R
R
R
6
–
0
6
–
0
6
–
0
R
R
R
5
–
0
5
–
0
5
–
0
R
R
R
4
–
0
4
–
0
4
–
0
PORTB3
PINB3
DDB3
R/W
R/W
R/W
N/A
3
0
3
0
3
PORTB2
PINB2
DDB2
R/W
R/W
R/W
N/A
2
2
0
2
0
PORTB1
PINB1
DDB1
R/W
R/W
R/W
N/A
1
1
0
1
0
PORTB0
ATtiny20
PINB0
DDB0
R/W
R/W
R/W
N/A
0
0
0
0
0
PORTB
DDRB
PINB
59
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