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PDF ATmega1284 Data sheet ( Hoja de datos )
| Número de pieza | ATmega1284 | |
| Descripción | 8-bit AVR Microcontrollers | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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8-bit AVR Microcontrollers
ATmega1284
DATASHEET COMPLETE
Introduction
The Atmel® ATmega1284 is a low-power CMOS 8-bit microcontroller based
on the AVR® enhanced RISC architecture. By executing powerful
instructions in a single clock cycle, the ATmega1284 achieves throughputs
close to 1MIPS per MHz. This empowers system designer to optimize the
device for power consumption versus processing speed.
Feature
High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family
• Advanced RISC Architecture
– 131 Powerful Instructions
– Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 20 MIPS Throughput at 20MHz
– On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory Segments
– 128KBytes of In-System Self-Programmable Flash Program
Memory
– 4KBytes EEPROM
– 16KBytes Internal SRAM
– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
– Data Retention: 20 Years at 85°C/100 Years at 25°C(1)
– Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
– Programming Lock for Software Security
• Atmel QTouch® Library Support
– Capacitive Touch Buttons, Sliders and Wheels
– QTouch and QMatrix acquisition
– Up to 64 Sense Channels
Atmel-42718B-ATmega1284_Datasheet_Complete-08/2016
1 page  
16. TC0 - 8-bit Timer/Counter0 with PWM...................................................................127
16.1. Features................................................................................................................................... 127
16.2. Overview...................................................................................................................................127
16.3. Timer/Counter Clock Sources.................................................................................................. 129
16.4. Counter Unit............................................................................................................................. 129
16.5. Output Compare Unit................................................................................................................130
16.6. Compare Match Output Unit.....................................................................................................132
16.7. Modes of Operation..................................................................................................................133
16.8. Timer/Counter Timing Diagrams...............................................................................................137
16.9. Register Description................................................................................................................. 139
17. TC1/3 - 16-bit Timer/Counter1/3 with PWM...........................................................152
17.1. Overview...................................................................................................................................152
17.2. Features................................................................................................................................... 152
17.3. Block Diagram.......................................................................................................................... 152
17.4. Definitions.................................................................................................................................153
17.5. Registers.................................................................................................................................. 154
17.6. Accessing 16-bit Registers.......................................................................................................154
17.7. Timer/Counter Clock Sources.................................................................................................. 157
17.8. Counter Unit............................................................................................................................. 157
17.9. Input Capture Unit.................................................................................................................... 158
17.10. Output Compare Units............................................................................................................. 161
17.11. Compare Match Output Unit.....................................................................................................163
17.12. Modes of Operation..................................................................................................................164
17.13. Timer/Counter Timing Diagrams.............................................................................................. 172
17.14. Register Description.................................................................................................................173
18. Timer/Counter 0, 1, 3 Prescalers...........................................................................206
18.1. Internal Clock Source............................................................................................................... 206
18.2. Prescaler Reset........................................................................................................................206
18.3. External Clock Source..............................................................................................................206
18.4. Register Description................................................................................................................. 207
19. TC2 - 8-bit Timer/Counter2 with PWM and Asynchronous Operation................... 209
19.1. Features................................................................................................................................... 209
19.2. Overview...................................................................................................................................209
19.3. Timer/Counter Clock Sources...................................................................................................211
19.4. Counter Unit..............................................................................................................................211
19.5. Output Compare Unit................................................................................................................212
19.6. Compare Match Output Unit.....................................................................................................214
19.7. Modes of Operation..................................................................................................................215
19.8. Timer/Counter Timing Diagrams...............................................................................................219
19.9. Asynchronous Operation of Timer/Counter2............................................................................ 220
19.10. Timer/Counter Prescaler.......................................................................................................... 222
19.11. Register Description................................................................................................................. 222
20. SPI – Serial Peripheral Interface........................................................................... 235
20.1. Features................................................................................................................................... 235
Atmel ATmega1284 [DATASHEET]
Atmel-42718B-ATmega1284_Datasheet_Complete-08/2016
5
5 Page 
3. Ordering Information
Speed [MHz](3) Power Supply [V]
20 1.8 - 5.5
Ordering Code(2)
ATmega1284A-AU
ATmega1284A-AUR(4)
ATmega1284A-PU
ATmega1284A-MU
ATmega1284A-MUR(4)
Package(1)
44A
44A
40P6
44M1
44M1
Operational Range
Industrial
(-40°C to 85°C)
Note:
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for
detailed ordering information and minimum quantities.
2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances
(RoHS directive). Also Halide free and fully Green.
3. Refer to Speed Grades for Speed vs. VCC
4. Tape & Reel.
Package Type
40P6 40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44A 44-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP)
44M1 44-pad, 7 × 7 × 1.0mm body, lead pitch 0.50mm, Thermally Enhanced Plastic Very Thin Quad Flat No-
Lead (VQFN)
Related Links
Speed Grades on page 422
Atmel ATmega1284 [DATASHEET]
Atmel-42718B-ATmega1284_Datasheet_Complete-08/2016
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ATmega1284.PDF ] | |
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