ATTINY45-20XU Atmel, ATTINY45-20XU Datasheet - Page 233

• 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

2586M–AVR–07/10
23 Register Summary ............................................................................... 205
24 Instruction Set Summary .................................................................... 207
25 Ordering Information ........................................................................... 209
26 Packaging Information ........................................................................ 212
27 Errata ..................................................................................................... 217
28 Datasheet Revision History ................................................................ 222
22.6
22.7
22.8
22.9
22.10
22.11
25.1
25.2
25.3
26.1
26.2
26.3
26.4
26.5
27.1
27.2
27.3
28.1
28.2
28.3
28.4
28.5
28.6
28.7
28.8
28.9
28.10
28.11
Pin Driver Strength ........................................................................................187
Pin Threshold and Hysteresis ........................................................................191
BOD Threshold ..............................................................................................194
Internal Oscillator Speed ...............................................................................197
Current Consumption of Peripheral Units ......................................................201
Current Consumption in Reset and Reset Pulsewidth ..................................203
ATtiny25 ........................................................................................................209
ATtiny45 ........................................................................................................210
ATtiny85 ........................................................................................................211
8P3 ................................................................................................................212
8S2 ................................................................................................................213
S8S1 ..............................................................................................................214
8X ..................................................................................................................215
20M1 ..............................................................................................................216
Errata ATtiny25 ..............................................................................................217
Errata ATtiny45 ..............................................................................................218
Errata ATtiny85 ..............................................................................................221
Rev. 2586M-07/10 .........................................................................................222
Rev. 2586L-06/10 ..........................................................................................222
Rev. 2586K-01/08 ..........................................................................................222
Rev. 2586J-12/06 ..........................................................................................224
Rev. 2586I-09/06 ...........................................................................................225
Rev. 2586H-06/06 .........................................................................................225
Rev. 2586G-05/06 .........................................................................................226
Rev. 2586F-04/06 ..........................................................................................226
Rev. 2586E-03/06 ..........................................................................................226
Rev. 2586D-02/06 .........................................................................................226
Rev. 2586C-06/05 .........................................................................................226
v