ATTINY20-SSU Atmel, ATTINY20-SSU Datasheet - Page 219
ATTINY20-SSU
Manufacturer Part Number
ATTINY20-SSU
Description
MCU AVR 2KB FLASH 12MHZ 14SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-SSU
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
*
Processor Series
ATtiny
Core
AVR
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
SPI, TWI
Maximum Clock Frequency
12 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY20-SSU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Table of Contents
8235B–AVR–04/11
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 4
General Information ................................................................................. 6
CPU Core .................................................................................................. 7
Memories ................................................................................................ 15
Clock System ......................................................................................... 18
Power Management and Sleep Modes ................................................. 25
1.1
3.1
3.2
3.3
3.4
3.5
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5.1
5.2
5.3
6.1
6.2
6.3
6.4
6.5
7.1
7.2
Pin Description ..................................................................................................2
Resources .........................................................................................................6
Code Examples .................................................................................................6
Capacitive Touch Sensing .................................................................................6
Data Retention ...................................................................................................6
Disclaimer ..........................................................................................................6
Architectural Overview .......................................................................................7
ALU – Arithmetic Logic Unit ...............................................................................8
Status Register ..................................................................................................8
General Purpose Register File ..........................................................................9
Stack Pointer ...................................................................................................10
Instruction Execution Timing ...........................................................................10
Reset and Interrupt Handling ...........................................................................11
Register Description ........................................................................................13
In-System Re-programmable Flash Program Memory ....................................15
Data Memory ...................................................................................................15
I/O Memory ......................................................................................................17
Clock Subsystems ...........................................................................................18
Clock Sources .................................................................................................19
System Clock Prescaler ..................................................................................20
Starting ............................................................................................................20
Register Description ........................................................................................22
Sleep Modes ....................................................................................................25
Software BOD Disable .....................................................................................26
ATtiny20
i
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