ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 341
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ATmega32
Manufacturer Part Number
ATmega32
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32
Flash (kbytes)
32 Kbytes
Pin Count
44
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega32-16AC
Manufacturer:
COMPAL
Quantity:
500
Part Number:
ATmega32-16AU
Manufacturer:
ATMEL
Quantity:
20 000
Part Number:
ATmega32-16PI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega32-16PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Table of
Contents
2503Q–AVR–02/11
Features 1
Pin Configurations 2
Overview 3
Resources 6
Data Retention 6
About Code Examples 7
AVR CPU Core 8
ATmega32 Memories 16
System Clock and Clock Options 24
Power Management and Sleep Modes 32
Block Diagram 3
Pin Descriptions 4
Introduction 8
Architectural Overview 8
ALU – Arithmetic Logic Unit 9
Status Register 10
General Purpose Register File 11
Stack Pointer 12
Instruction Execution Timing 13
Reset and Interrupt Handling 13
In-System Reprogrammable Flash Program Memory 16
SRAM Data Memory 17
EEPROM Data Memory 18
I/O Memory 23
Clock Systems and their Distribution 24
Clock Sources 25
Default Clock Source 25
Crystal Oscillator 26
Low-frequency Crystal Oscillator 28
External RC Oscillator 28
Calibrated Internal RC Oscillator 29
External Clock 31
Timer/Counter Oscillator 31
Idle Mode 33
ADC Noise Reduction Mode 33
Power-down Mode 33
Power-save Mode 33
ATmega32(L)
i