ATTINY84-20SSUR Atmel, ATTINY84-20SSUR Datasheet - Page 234
ATTINY84-20SSUR
Manufacturer Part Number
ATTINY84-20SSUR
Description
MCU AVR 8KB FLASH 10MHZ 14SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY24-20MU.pdf
(238 pages)
Specifications of ATTINY84-20SSUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
12
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ATtiny24/44/84
18 Self-Programming the Flash ............................................................... 153
19 Memory Programming ......................................................................... 159
20 Electrical Characteristics .................................................................... 174
21 Typical Characteristics ........................................................................ 185
17.2
17.3
17.4
17.5
17.6
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
18.9
19.1
19.2
19.3
19.4
19.5
19.6
19.7
20.1
20.2
20.3
20.4
20.5
20.6
20.7
20.8
20.9
21.1
Overview ........................................................................................................151
Physical Interface ..........................................................................................151
Software Break Points ...................................................................................152
Limitations of debugWIRE .............................................................................152
Register Description ......................................................................................152
Performing Page Erase by SPM ....................................................................153
Filling the Temporary Buffer (Page Loading) .................................................153
Performing a Page Write ...............................................................................154
Addressing the Flash During Self-Programming ...........................................154
EEPROM Write Prevents Writing to SPMCSR ..............................................155
Reading Lock, Fuse and Signature Data from Software ...............................155
Preventing Flash Corruption ..........................................................................157
Programming Time for Flash when Using SPM ............................................157
Register Description ......................................................................................157
Program And Data Memory Lock Bits ...........................................................159
Fuse Bytes .....................................................................................................160
Device Signature Imprint Table .....................................................................161
Page Size ......................................................................................................162
Serial Programming .......................................................................................163
High-voltage Serial Programming ..................................................................167
High-Voltage Serial Programming Algorithm .................................................168
Absolute Maximum Ratings* .........................................................................174
DC Characteristics .........................................................................................174
Speed ............................................................................................................175
Clock Characteristics .....................................................................................176
System and Reset Characteristics ................................................................177
Analog Comparator Characteristics ...............................................................179
ADC Characteristics ......................................................................................180
Serial Programming Characteristics ..............................................................183
High-Voltage Serial Programming Characteristics ........................................184
Supply Current of I/O Modules ......................................................................185
8006K–AVR–10/10
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