ATTINY20-MMHR Atmel, ATTINY20-MMHR Datasheet - Page 222

• Manufacturer Part Number: ATTINY20-MMHR
• Description: MCU AVR 2KB FLASH 12MHZ 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

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: -

iv
ATtiny20
18 Programming Interface ........................................................................ 152
19 Memory Programming ......................................................................... 163
20 Electrical Characteristics .................................................................... 172
21 Typical Characteristics ........................................................................ 179
17.1
17.2
17.3
17.4
17.5
18.1
18.2
18.3
18.4
18.5
18.6
18.7
19.1
19.2
19.3
19.4
19.5
19.6
19.7
20.1
20.2
20.3
20.4
20.5
20.6
20.7
20.8
21.1
21.2
21.3
21.4
Features ........................................................................................................138
Overview ........................................................................................................138
General TWI Bus Concepts ...........................................................................138
TWI Slave Operation .....................................................................................144
Register Description ......................................................................................146
Features ........................................................................................................152
Overview ........................................................................................................152
Physical Layer of Tiny Programming Interface ..............................................152
Access Layer of Tiny Programming Interface ................................................156
Instruction Set ................................................................................................157
Accessing the Non-Volatile Memory Controller .............................................160
Control and Status Space Register Descriptions ..........................................160
Features ........................................................................................................163
Overview ........................................................................................................163
Non-Volatile Memories ..................................................................................164
Accessing the NVM .......................................................................................167
Self programming ..........................................................................................170
External Programming ...................................................................................170
Register Description ......................................................................................170
Absolute Maximum Ratings* .........................................................................172
DC Characteristics .........................................................................................172
Speed ............................................................................................................174
Clock Characteristics .....................................................................................174
System and Reset Characteristics ................................................................175
Analog Comparator Characteristics ...............................................................176
ADC Characteristics ......................................................................................177
Serial Programming Characteristics ..............................................................177
Supply Current of I/O Modules ......................................................................179
Current Consumption in Active Mode ............................................................180
Current Consumption in Idle Mode ................................................................183
Current Consumption in Power-down Mode ..................................................185
8235B–AVR–04/11