ATtiny4 Atmel Corporation, ATtiny4 Datasheet - Page 165

• Manufacturer Part Number: ATtiny4
• Manufacturer: Atmel Corporation

Specifications of ATtiny4

• Flash (kbytes): 0.5 Kbytes
• Pin Count: 6
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 1
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 4
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.03
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 2
• Input Capture Channels: 1
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Table of Contents
8127E–AVR–11/11
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
General Information ................................................................................. 5
CPU Core .................................................................................................. 6
Memories ................................................................................................ 14
Clock System ......................................................................................... 17
Power Management and Sleep Modes ................................................. 23
1.1
2.1
3.1
3.2
3.3
3.4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5.1
5.2
5.3
6.1
6.2
6.3
6.4
6.5
7.1
7.2
Pin Description ..................................................................................................2
Comparison of ATtiny4, ATtiny5, ATtiny9 and ATtiny10 ...................................4
Resources .........................................................................................................5
Code Examples .................................................................................................5
Data Retention ...................................................................................................5
Disclaimer ..........................................................................................................5
Architectural Overview .......................................................................................6
ALU – Arithmetic Logic Unit ...............................................................................7
Status Register ..................................................................................................7
General Purpose Register File ..........................................................................8
Stack Pointer .....................................................................................................9
Instruction Execution Timing .............................................................................9
Reset and Interrupt Handling ...........................................................................10
Register Description ........................................................................................12
In-System Re-programmable Flash Program Memory ....................................14
Data Memory ...................................................................................................14
I/O Memory ......................................................................................................16
Clock Subsystems ...........................................................................................17
Clock Sources .................................................................................................18
System Clock Prescaler ..................................................................................19
Starting ............................................................................................................20
Register Description ........................................................................................21
Sleep Modes ....................................................................................................23
Power Reduction Register ...............................................................................24
ATtiny4/5/9/10
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