ATTINY85-20SU Atmel, ATTINY85-20SU Datasheet - Page 223

• 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

2586M–AVR–07/10
4. Added Figures:
5. Updated Figure:
6. Updated Tables:
7. Updated Code Example in Section:
8. Updated Bit Descriptions in:
9. Updated description of feature “EEPROM read may fail at low supply voltage / low
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clock frequency” in Sections:
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“Sleep Modes” on page 35
“Software BOD Disable” on page 36
“External Interrupts” on page 51
“Timer/Counter1 in PWM Mode” on page 101
“USI – Universal Serial Interface” on page 111
“Temperature Measurement” on page 137
“Reading Lock, Fuse and Signature Data from Software” on page 147
“Program And Data Memory Lock Bits” on page 151
“Fuse Bytes” on page 152
“Signature Bytes” on page 154
“Calibration Bytes” on page 154
“System and Reset Characteristics” on page 170
“Reset Pin Output Voltage vs. Sink Current (V
“Reset Pin Output Voltage vs. Sink Current (V
“Reset Pin Output Voltage vs. Source Current (V
“Reset Pin Output Voltage vs. Source Current (V
“Reset Logic” on page 41
“Start-up Times for Internal Calibrated RC Oscillator Clock” on page 28
“Start-up Times for Internal Calibrated RC Oscillator Clock (in ATtiny15 Mode)” on
page 28
“Start-up Times for the 128 kHz Internal Oscillator” on page 29
“Compare Mode Select in PWM Mode” on page 89
“Compare Mode Select in PWM Mode” on page 101
“DC Characteristics. T
“Calibration Accuracy of Internal RC Oscillator” on page 169
“ADC Characteristics” on page 172
“Write” on page 17
“MCUCR – MCU Control Register” on page 38
“Bits 7:6 – COM0A[1:0]: Compare Match Output A Mode” on page 80
“Bits 5:4 – COM0B[1:0]: Compare Match Output B Mode” on page 80
“Bits 2:0 – ADTS[2:0]: ADC Auto Trigger Source” on page 142
“SPMCSR – Store Program Memory Control and Status Register” on page
“Errata ATtiny25” on page 217
“Errata ATtiny45” on page 218
A
= -40°C to +85°C” on page 166
CC
CC
CC
CC
= 3V)” on page 189
= 5V)” on page 190
= 3V)” on page 190
= 5V)” on page 191
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