ATTINY24-20MU Atmel, ATTINY24-20MU Datasheet - Page 233

• Manufacturer Part Number: ATTINY24-20MU
• Description: IC MCU AVR 2K FLASH 20MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY24-20MU

• 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: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 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
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: USI
• 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
• On-chip Adc: 10 bit
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8006K–AVR–10/10
13 Timer/Counter Prescaler ..................................................................... 115
14 USI – Universal Serial Interface .......................................................... 117
15 Analog Comparator ............................................................................. 129
16 Analog to Digital Converter ................................................................ 132
17 debugWIRE On-chip Debug System .................................................. 151
12.7
12.8
12.9
12.10
12.11
13.1
13.2
13.3
14.1
14.2
14.3
14.4
14.5
15.1
15.2
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
16.12
16.13
17.1
Compare Match Output Unit ............................................................................94
Modes of Operation .........................................................................................96
Timer/Counter Timing Diagrams ...................................................................103
Accessing 16-bit Registers ............................................................................105
Register Description ......................................................................................108
Prescaler Reset .............................................................................................115
External Clock Source ...................................................................................115
Register Description ......................................................................................116
Features ........................................................................................................117
Overview ........................................................................................................117
Functional Descriptions .................................................................................118
Alternative USI Usage ...................................................................................124
Register Descriptions ....................................................................................124
Analog Comparator Multiplexed Input ...........................................................129
Register Description ......................................................................................130
Features ........................................................................................................132
Overview ........................................................................................................132
Operation .......................................................................................................133
Starting a Conversion ....................................................................................134
Prescaling and Conversion Timing ................................................................135
Changing Channel or Reference Selection ...................................................138
ADC Noise Canceler .....................................................................................139
Analog Input Circuitry ....................................................................................139
Noise Canceling Techniques .........................................................................140
ADC Accuracy Definitions .............................................................................140
ADC Conversion Result .................................................................................143
Temperature Measurement ...........................................................................144
Register Description ......................................................................................145
Features ........................................................................................................151
ATtiny24/44/84
iii