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ATtiny44 Datasheet(PDF) 234 Page - ATMEL Corporation

Part # ATtiny44
Description  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
PDF  236 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny44 Datasheet(HTML) 234 Page - ATMEL Corporation

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8006H–AVR–10/09
ATtiny24/44/84
17.2
Overview ........................................................................................................151
17.3
Physical Interface ..........................................................................................151
17.4
Software Break Points ...................................................................................152
17.5
Limitations of debugWIRE .............................................................................152
17.6
Register Description ......................................................................................152
18
Self-Programming the Flash ............................................................... 153
18.1
Performing Page Erase by SPM ....................................................................153
18.2
Filling the Temporary Buffer (Page Loading) .................................................153
18.3
Performing a Page Write ...............................................................................154
18.4
Addressing the Flash During Self-Programming ...........................................154
18.5
EEPROM Write Prevents Writing to SPMCSR ..............................................155
18.6
Reading Lock, Fuse and Signature Data from Software ...............................155
18.7
Preventing Flash Corruption ..........................................................................157
18.8
Programming Time for Flash when Using SPM ............................................157
18.9
Register Description ......................................................................................157
19
Memory Programming ......................................................................... 159
19.1
Program And Data Memory Lock Bits ...........................................................159
19.2
Fuse Bytes .....................................................................................................160
19.3
Device Signature Imprint Table .....................................................................161
19.4
Page Size ......................................................................................................162
19.5
Serial Programming .......................................................................................163
19.6
High-voltage Serial Programming ..................................................................167
19.7
High-Voltage Serial Programming Algorithm .................................................168
20
Electrical Characteristics .................................................................... 174
20.1
Absolute Maximum Ratings* .........................................................................174
20.2
DC Characteristics .........................................................................................174
20.3
Speed Grades ...............................................................................................175
20.4
Clock Characteristics .....................................................................................176
20.5
System and Reset Characteristics ................................................................177
20.6
Analog Comparator Characteristics ...............................................................179
20.7
ADC Characteristics – Preliminary Data ........................................................180
20.8
Serial Programming Characteristics ..............................................................183
20.9
High-Voltage Serial Programming Characteristics ........................................184
21
Typical Characteristics ........................................................................ 185
21.1
Supply Current of I/O Modules ......................................................................185



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