ATTINY85-20SU Atmel, ATTINY85-20SU Datasheet - Page 232
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ATTINY85-20SU
Manufacturer Part Number
ATTINY85-20SU
Description
IC AVR MCU 8K 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY85-20SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
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 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
4-ch x 10-bit
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY85-20SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
iv
ATtiny25/45/85
19 Self-Programming the Flash ............................................................... 145
20 Memory Programming ......................................................................... 151
21 Electrical Characteristics .................................................................... 166
22 Typical Characteristics ........................................................................ 177
18.6
19.1
19.2
19.3
19.4
19.5
19.6
19.7
19.8
19.9
20.1
20.2
20.3
20.4
20.5
20.6
20.7
21.1
21.2
21.3
21.4
21.5
21.6
21.7
21.8
21.9
22.1
22.2
22.3
22.4
22.5
Register Description ......................................................................................144
Performing Page Erase by SPM ....................................................................145
Filling the Temporary Buffer (Page Loading) .................................................145
Performing a Page Write ...............................................................................146
Addressing the Flash During Self-Programming ...........................................146
EEPROM Write Prevents Writing to SPMCSR ..............................................147
Reading Lock, Fuse and Signature Data from Software ...............................147
Preventing Flash Corruption ..........................................................................149
Programming Time for Flash when Using SPM ............................................149
Register Description ......................................................................................149
Program And Data Memory Lock Bits ...........................................................151
Fuse Bytes .....................................................................................................152
Device Signature Imprint Table .....................................................................153
Page Size ......................................................................................................154
Serial Downloading ........................................................................................155
High-voltage Serial Programming ..................................................................158
High-voltage Serial Programming Algorithm .................................................159
Absolute Maximum Ratings* .........................................................................166
DC Characteristics .........................................................................................166
Speed ............................................................................................................168
Clock Characteristics .....................................................................................169
System and Reset Characteristics ................................................................170
Brown-Out Detection .....................................................................................171
ADC Characteristics ......................................................................................172
Serial Programming Characteristics ..............................................................175
High-voltage Serial Programming Characteristics .........................................176
Active Supply Current ....................................................................................177
Idle Supply Current ........................................................................................180
Supply Current of I/O modules ......................................................................182
Power-down Supply Current ..........................................................................183
Pin Pull-up .....................................................................................................184
2586M–AVR–07/10