ATtiny4 Atmel Corporation, ATtiny4 Datasheet - Page 166
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ATtiny4
Manufacturer Part Number
ATtiny4
Description
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
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ii
ATtiny4/5/9/10
8
9
10 I/O Ports .................................................................................................. 41
11 16-bit Timer/Counter0 ............................................................................ 53
12 Analog Comparator ............................................................................... 82
13 Analog to Digital Converter .................................................................. 84
System Control and Reset .................................................................... 27
Interrupts ................................................................................................ 36
7.3
7.4
8.1
8.2
8.3
8.4
9.1
9.2
9.3
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
11.10
11.11
12.1
13.1
13.2
13.3
Minimizing Power Consumption ......................................................................24
Register Description ........................................................................................25
Resetting the AVR ...........................................................................................27
Reset Sources .................................................................................................27
Watchdog Timer ..............................................................................................30
Register Description ........................................................................................32
Interrupt Vectors ..............................................................................................36
External Interrupts ...........................................................................................37
Register Description ........................................................................................38
Overview ..........................................................................................................41
Ports as General Digital I/O .............................................................................42
Alternate Port Functions ..................................................................................46
Register Description ........................................................................................51
Features ..........................................................................................................53
Overview ..........................................................................................................53
Clock Sources .................................................................................................55
Counter Unit ....................................................................................................56
Input Capture Unit ...........................................................................................58
Output Compare Units .....................................................................................60
Compare Match Output Unit ............................................................................62
Modes of Operation .........................................................................................63
Timer/Counter Timing Diagrams .....................................................................70
Accessing 16-bit Registers ..............................................................................72
Register Description ........................................................................................74
Register Description ........................................................................................82
Features ..........................................................................................................84
Overview ..........................................................................................................84
Operation .........................................................................................................84
8127E–AVR–11/11