ATTINY45-20XU Atmel, ATTINY45-20XU Datasheet - Page 26

• Manufacturer Part Number: ATTINY45-20XU
• Description: IC MCU AVR 4K FLASH 20MHZ 8TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY45-20XU

• 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: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 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-TSSOP
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Maximum Operating Temperature: + 85 C
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.4
26
Rev. 2586J-12/06
ATtiny25/45/85
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10. Updated Package Description in Sections:
11. Updated Package Drawing:
12. Updated Order Codes for:
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“Errata ATtiny85” on page 23
“ATtiny25” on page 11
“ATtiny45” on page 12
“ATtiny85” on page 13
“S8S1” on page 16
“ATtiny25” on page 11
Updated
Updated description of instruction length in
Updated Flash size in
page
Updated cross-references in sections
“Write”
Updated
Updated
Replaced single clocking system figure with two:
Updated
Updated
Updated
Updated
Updated
Updated
Updated “Bit 0” in
Added footnote to
Updated
Deleted “Bits 7, 2” in
Updated and moved section “Timer/Counter0 Prescaler and Clock Sources”, now
located on
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Updated bit description in
and
Added recommended maximum frequency
page
Updated
Updated
Updated
“PLLCSR – PLL Control and Status Register” on page
15.
129.
, starting on
“Low Power Consumption” on page
“Atomic Byte Programming” on page
“Internal PLL for Fast Peripheral Clock Generation - clkPCK” on page
Table 6-1 on page
“Calibrated Internal Oscillator” on page
Table 6-5 on page
“OSCCAL – Oscillator Calibration Register” on page
“CLKPR – Clock Prescale Register” on page
“Power-down Mode” on page
Table 10-5 on page
“Timer/Counter1 Initialization for Asynchronous Mode” on page
Figure 17-8 on page 133
“Temperature Measurement” on page
Table 17-3 on page
page
68.
“PRR – Power Reduction Register” on page
Table 8-3 on page
page
“MCUCR – MCU Control Register” on page
“In-System Re-programmable Flash Program Memory” on
17.
“PLLCSR – PLL Control and Status Register” on page 97
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27.
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138.
Table 6-13 on page 30
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36.
“Atomic Byte Programming”
in“Prescaling and Conversion Timing” on
“Architectural Overview”
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Figure 6-2
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and
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Table 6-6 on page
and
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Figure
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“Erase”
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2586M–AVR–07/10
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and