ATTINY20-CCUR Atmel, ATTINY20-CCUR Datasheet - Page 220

• Manufacturer Part Number: ATTINY20-CCUR
• Description: MCU AVR 2KB FLASH 12MHZ 15UFBGA
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY20-CCUR

• 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: -

ii
ATtiny20
8
9
10 I/O Ports .................................................................................................. 44
11 8-bit Timer/Counter0 with PWM ............................................................ 60
12 16-bit Timer/Counter1 ............................................................................ 78
System Control and Reset .................................................................... 30
Interrupts ................................................................................................ 38
7.3
7.4
7.5
8.1
8.2
8.3
8.4
8.5
9.1
9.2
9.3
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
12.1
12.2
12.3
12.4
12.5
Power Reduction Register ...............................................................................27
Minimizing Power Consumption ......................................................................27
Register Description ........................................................................................28
Resetting the AVR ...........................................................................................30
Reset Sources .................................................................................................30
Internal Voltage Reference ..............................................................................33
Watchdog Timer ..............................................................................................33
Register Description ........................................................................................35
Interrupt Vectors ..............................................................................................38
External Interrupts ...........................................................................................39
Register Description ........................................................................................41
Overview ..........................................................................................................44
Ports as General Digital I/O .............................................................................45
Alternate Port Functions ..................................................................................49
Register Description ........................................................................................58
Features ..........................................................................................................60
Overview ..........................................................................................................60
Clock Sources .................................................................................................61
Counter Unit ....................................................................................................61
Output Compare Unit .......................................................................................62
Compare Match Output Unit ............................................................................64
Modes of Operation .........................................................................................65
Timer/Counter Timing Diagrams .....................................................................69
Register Description ........................................................................................71
Features ..........................................................................................................78
Overview ..........................................................................................................78
Timer/Counter Clock Sources .........................................................................80
Counter Unit ....................................................................................................80
Input Capture Unit ...........................................................................................81
8235B–AVR–04/11