ATTINY4313-MU Atmel, ATTINY4313-MU Datasheet - Page 266

• Manufacturer Part Number: ATTINY4313-MU
• Description: IC MCU AVR 4K FLASH 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY4313-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Processor Series: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI, USART, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 18
• 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
• Data Converters: -
• Lead Free Status / Rohs Status: Details

ii
ATtiny2313A/4313
8
9
10 I/O-Ports .................................................................................................. 54
11 8-bit Timer/Counter0 with PWM ............................................................ 70
12 16-bit Timer/Counter1 ............................................................................ 88
System Control and Reset .................................................................... 38
Interrupts ................................................................................................ 47
7.1
7.2
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
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
Sleep Modes ....................................................................................................33
Software BOD Disable .....................................................................................34
Power Reduction Register ...............................................................................34
Minimizing Power Consumption ......................................................................35
Register Description ........................................................................................36
Resetting the AVR ...........................................................................................38
Reset Sources .................................................................................................39
Internal Voltage Reference ..............................................................................41
Watchdog Timer ..............................................................................................41
Register Description ........................................................................................44
Interrupt Vectors ..............................................................................................47
External Interrupts ...........................................................................................48
Register Description ........................................................................................50
Ports as General Digital I/O .............................................................................55
Alternate Port Functions ..................................................................................59
Register Description ........................................................................................68
Features ..........................................................................................................70
Overview ..........................................................................................................70
Clock Sources .................................................................................................71
Counter Unit ....................................................................................................71
Output Compare Unit .......................................................................................72
Compare Match Output Unit ............................................................................74
Modes of Operation .........................................................................................75
Timer/Counter Timing Diagrams .....................................................................79
Register Description ........................................................................................81
Features ..........................................................................................................88
Overview ..........................................................................................................88
Timer/Counter Clock Sources .........................................................................90
Counter Unit ....................................................................................................90
8246A–AVR–11/09