ATTINY45-20MU Atmel, ATTINY45-20MU Datasheet - Page 24
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ATTINY45-20MU
Manufacturer Part Number
ATTINY45-20MU
Description
IC AVR MCU FLASH 4K 20MHZ 20MLF
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45-20MU
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
20-MLF®, QFN
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
USI
Maximum Clock Frequency
10 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
10 bit, 4 Channel
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY45-20MU
Manufacturer:
ATMEL
Quantity:
876
9. Datasheet Revision History
9.1
9.2
9.3
24
Rev. 2586M-07/10
Rev. 2586L-06/10
Rev. 2586K-01/08
ATtiny25/45/85
1. Clarified
2. Added Ordering Codes -SN and -SNR for ATtiny25 extended temperature.
1. Added:
2. Updated:
1. Updated Document Template.
2. Added Sections:
3. Updated Sections:
– TSSOP for ATtiny45 in
–
–
– Extended temperature in
– Tape & reel part numbers in Ordering Information, in
–
–
–
–
–
–
–
–
–
– Bit syntax throughout the datasheet, e.g. from CS02:0 to CS0[2:0].
–
–
–
–
–
–
Information in
Section 7.4 “8X” on page 17
Table 6-11, “Capacitance of Low-Frequency Crystal Oscillator,” on page 29
Figure 22-36 on page 196
plots for Bandgap Voltage vs. V
11
“Features” on page
Section 8.4.2 “Code Example” on page 46
“PCMSK – Pin Change Mask Register” on page
“TCCR1 – Timer/Counter1 Control Register” on page 92
Timer/Counter1 Control Register” on page
Section 20.3.2 “Calibration Bytes” on page
Table 20-11, “Minimum Wait Delay Before Writing the Next Flash or EEPROM
Location,” on page
Table 20-16, “High-voltage Serial Programming Instruction Set for ATtiny25/45/85,”
on page 163
Table 21-1, “DC Characteristics. T
Table 21-11, “Serial Programming Characteristics, T
5.5V (Unless Otherwise Noted),” on page
“Data Retention” on page 6
“Low Level Interrupt” on page 51
“Device Signature Imprint Table” on page 153
“Internal PLL for Fast Peripheral Clock Generation - clkPCK” on page 24
“System Clock and Clock Options” on page 23
“Internal PLL in ATtiny15 Compatibility Mode” on page 24
and
Section 6.4 “Clock Output Buffer” on page
Section 6.2 “ATtiny45” on page 12
Section 6.2 “ATtiny45” on page
157, value for t
1, removed Preliminary from ATtiny25
“Features” on page
Section 6.1 “ATtiny25” on page
and
Figure 22-37 on page
CC
WD_ERASE
A
and Temperature
= -40°C to +85°C,” on page
175, added t
93, COM bit descriptions clarified
1, Pinout
154, frequencies (8 MHz, 6.4 MHz)
12, and Packaging Information in
54, Bit Descriptions
32.
A
Section 6.1 “ATtiny25” on page
Figure 1-1 on page
196, Typical Characteristics
= -40°C to +85°C, V
SLIV
and
11, Ordering Information
“GTCCR – General
166, notes adjusted
2, Ordering
CC
2586M–AVR–07/10
= 1.8 -