ATTINY25-20SSUR Atmel, ATTINY25-20SSUR Datasheet - Page 224
ATTINY25-20SSUR
Manufacturer Part Number
ATTINY25-20SSUR
Description
MCU AVR 2KB FLASH 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY25-20SSUR
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
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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28.4
224
Rev. 2586J-12/06
ATtiny25/45/85
1.
2.
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4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
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20.
21.
22.
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24.
10. Updated Package Description in Sections:
11. Updated Package Drawing:
12. Updated Order Codes for:
–
–
–
–
–
–
“Errata ATtiny85” on page 221
“ATtiny25” on page 209
“ATtiny45” on page 210
“ATtiny85” on page 211
“S8S1” on page 214
“ATtiny25” on page 209
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
Updated
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
25,
27.
65.
138.
Table 6-13 on page 30
.
49.
36.
“Atomic Byte Programming”
in“Prescaling and Conversion Timing” on
“Architectural Overview”
1.
17.
137.
27.
Figure 6-2
33.
and
107.
Table 6-6 on page
and
32.
39.
Figure
66.
.
,
“Erase”
6-3.
2586M–AVR–07/10
89.
28.
24.
and
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