ATTINY84-20MU Atmel, ATTINY84-20MU Datasheet - Page 68
![IC MCU AVR 8K FLASH 20MHZ 20-QFN](/photos/6/87/68751/313-20-qfn_sml.jpg)
ATTINY84-20MU
Manufacturer Part Number
ATTINY84-20MU
Description
IC MCU AVR 8K FLASH 20MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY84-20MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
12
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-MLF®, QFN
Cpu Family
ATtiny
Device Core
AVR
Device Core Size
8b
Frequency (max)
20MHz
Interface Type
SPI/USI
Total Internal Ram Size
512Byte
# I/os (max)
12
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Package Type
MLF
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Package
20MLF
Family Name
ATtiny
Maximum Speed
20 MHz
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 68 of 238
- Download datasheet (5Mb)
10.3.4
10.3.5
10.3.6
10.3.7
68
ATtiny24/44/84
PINA – Port A Input Pins
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins
Bit
0x19 (0x39)
Read/Write
Initial Value
Bit
0x18 (0x38)
Read/Write
Initial Value
Bit
0x17 (0x37)
Read/Write
Initial Value
Bit
0x16 (0x36)
Read/Write
Initial Value
PINA7
R/W
N/A
R
R
R
7
7
–
0
7
–
0
7
–
0
PINA6
R/W
N/A
R
R
6
R
0
6
6
–
0
6
–
0
–
PINA5
R/W
N/A
R
R
R
5
5
–
0
5
–
0
5
–
0
PINA4
R/W
N/A
R
R
R
4
–
0
4
4
–
0
4
–
0
PORTB3
PINB3
PINA3
DDB3
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
3
PORTB2
PINB2
PINA2
DDB2
R/W
R/W
R/W
R/W
N/A
N/A
2
2
2
0
2
0
PORTB1
PINB1
PINA1
DDB1
R/W
R/W
R/W
R/W
N/A
N/A
1
1
0
1
0
1
PORTB0
PINB0
PINA0
DDB0
R/W
R/W
R/W
N/A
R/W
N/A
0
0
0
0
0
0
8006K–AVR–10/10
PORTB
DDRB
PINB
PINA
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