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PDF ATmega32A Data sheet ( Hoja de datos )

Número de pieza ATmega32A
Descripción 8-bit Microcontroller
Fabricantes ATMEL Corporation　
Logotipo ATMEL Corporation Logotipo



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No Preview Available ! ATmega32A Hoja de datos, Descripción, Manual

8-Bit AVR Microcontroller
ATmega32A
DATASHEET COMPLETE
Introduction
The Atmel® ATmega32A 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 ATmega32A achieves throughputs close to
1MIPS per MHz. This empowers system designer to optimize the device for
power consumption versus processing speed.
Features
• High-performance, Low-power Atmel AVR 8-bit Microcontroller
• Advanced RISC Architecture
– 131 Powerful Instructions - Most Single-clock Cycle Execution
– 32 × 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16MIPS Throughput at 16MHz
– On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory segments
– 32Kbytes of In-System Self-programmable Flash program
memory
– 1024Bytes EEPROM
– 2Kbytes 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
• JTAG (IEEE std. 1149.1 Compliant) Interface
– Boundary-scan Capabilities According to the JTAG Standard
– Extensive On-chip Debug Support
– Programming of Flash, EEPROM, Fuses and Lock Bits through
the JTAG Interface
• Atmel QTouch® library support
Atmel-8155I-ATmega32A_Datasheet_Complete-08/2016

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ATmega32A pdf
18.3. Prescaler Reset........................................................................................................................102
18.4. External Clock Source..............................................................................................................102
18.5. Register Description................................................................................................................. 103
19. 16-bit Timer/Counter1............................................................................................105
19.1. Features................................................................................................................................... 105
19.2. Overview...................................................................................................................................105
19.3. Accessing 16-bit Registers.......................................................................................................107
19.4. Timer/Counter Clock Sources...................................................................................................110
19.5. Counter Unit..............................................................................................................................110
19.6. Input Capture Unit.....................................................................................................................111
19.7. Output Compare Units.............................................................................................................. 113
19.8. Compare Match Output Unit..................................................................................................... 115
19.9. Modes of Operation.................................................................................................................. 116
19.10. Timer/Counter Timing Diagrams.............................................................................................. 123
19.11. Register Description................................................................................................................. 124
20. 8-bit Timer/Counter2 with PWM and Asynchronous Operation............................. 140
20.1. Features................................................................................................................................... 140
20.2. Overview...................................................................................................................................140
20.3. Timer/Counter Clock Sources.................................................................................................. 141
20.4. Counter Unit............................................................................................................................. 141
20.5. Output Compare Unit................................................................................................................142
20.6. Compare Match Output Unit.....................................................................................................144
20.7. Modes of Operation..................................................................................................................145
20.8. Timer/Counter Timing Diagrams...............................................................................................149
20.9. Asynchronous Operation of the Timer/Counter........................................................................ 150
20.10. Timer/Counter Prescaler.......................................................................................................... 152
20.11. Register Description................................................................................................................. 152
21. 8-bit Timer/Counter0 with PWM.............................................................................162
21.1. Features................................................................................................................................... 162
21.2. Overview...................................................................................................................................162
21.3. Timer/Counter Clock Sources.................................................................................................. 163
21.4. Counter Unit............................................................................................................................. 163
21.5. Output Compare Unit................................................................................................................164
21.6. Compare Match Output Unit.....................................................................................................166
21.7. Modes of Operation..................................................................................................................167
21.8. Timer/Counter Timing Diagrams...............................................................................................171
21.9. Register Description................................................................................................................. 172
22. SPI – Serial Peripheral Interface........................................................................... 180
22.1. Features................................................................................................................................... 180
22.2. Overview...................................................................................................................................180
22.3. SS Pin Functionality................................................................................................................. 183
22.4. Data Modes.............................................................................................................................. 184
22.5. Register Description................................................................................................................. 185
Atmel ATmega32A [DATASHEET]
Atmel-8155I-ATmega32A_Datasheet_Complete-08/2016
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ATmega32A arduino
3. Ordering Information
Speed (MHz) Power Supply Ordering Code(2)
Package(1) Operational Range
ATmega32A-AU
44A
ATmega32A-AUR(3) 44A
ATmega32A-PU
ATmega32A-MU
40P6
44M1
Industrial (-40oC to 85oC)
16 2.7 - 5.5V ATmega32A-MUR(3) 44M1
ATmega32A-AN
ATmega32A-ANR(3)
ATmega32A-MN
ATmega32A-MNR(3)
44A
44A
44M1
44M1
Extended (-40oC to 105oC)(4)
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. Tape and Reel
4. See characterization specifications at 105°C
Package Type
44A 44-lead, 10 × 10 × 1.0mm, Thin Profile Plastic Quad Flat Package (TQFP)
40P6 40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44M1 44-pad, 7 × 7 × 1.0mm, Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF)
Atmel ATmega32A [DATASHEET]
Atmel-8155I-ATmega32A_Datasheet_Complete-08/2016
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