ATTINY4313-MU Atmel, ATTINY4313-MU Datasheet - Page 267

• 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

8246A–AVR–11/09
13 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 117
14 USART ................................................................................................... 119
15 USART in SPI Mode ............................................................................. 145
16 USI – Universal Serial Interface .......................................................... 155
12.5
12.6
12.7
12.8
12.9
12.10
12.11
13.1
13.2
13.3
13.4
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
14.10
14.11
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
16.1
Input Capture Unit ...........................................................................................91
Output Compare Units .....................................................................................93
Compare Match Output Unit ............................................................................95
Modes of Operation .........................................................................................96
Timer/Counter Timing Diagrams ...................................................................104
Accessing 16-bit Registers ............................................................................106
Register Description ......................................................................................110
Internal Clock Source ....................................................................................117
Prescaler Reset .............................................................................................117
External Clock Source ...................................................................................117
Register Description ......................................................................................118
Features ........................................................................................................119
Overview ........................................................................................................119
Clock Generation ...........................................................................................120
Frame Formats ..............................................................................................123
USART Initialization .......................................................................................124
Data Transmission – The USART Transmitter ..............................................125
Data Reception – The USART Receiver .......................................................129
Asynchronous Data Reception ......................................................................132
Multi-processor Communication Mode ..........................................................135
Register Description ......................................................................................136
Examples of Baud Rate Setting .....................................................................141
Features ........................................................................................................145
Overview ........................................................................................................145
Clock Generation ...........................................................................................145
SPI Data Modes and Timing ..........................................................................146
Frame Formats ..............................................................................................147
Data Transfer .................................................................................................149
AVR USART MSPIM vs. AVR SPI ................................................................151
Register Description ......................................................................................152
Features ........................................................................................................155
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