ATmega32A Atmel Corporation, ATmega32A Datasheet - Page 351
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
ATmega32A
Manufacturer Part Number
ATmega32A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32A
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:
ATMEGA32A
Manufacturer:
Atmel
Quantity:
150
Part Number:
ATMEGA32A
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega32A-AU
Manufacturer:
ATMEL
Quantity:
5 600
Part Number:
ATmega32A-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega32A-AUR
Manufacturer:
SMD
Quantity:
5
Part Number:
ATmega32A-MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
ATmega32A-PU
Manufacturer:
ATMEL
Quantity:
3 000
Company:
Part Number:
ATmega32A-PU
Manufacturer:
Atmel
Quantity:
26 792
8155C–AVR–02/11
26 Memory Programming ......................................................................... 267
27 Electrical Characteristics .................................................................... 297
28 Typical Characteristics ........................................................................ 307
29 Register Summary ............................................................................... 335
30 Instruction Set Summary .................................................................... 337
26.1
26.2
26.3
26.4
26.5
26.6
26.7
26.8
26.9
26.10
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
28.1
28.2
28.3
28.4
28.5
28.6
28.7
28.8
28.9
28.10
28.11
28.12
Program And Data Memory Lock Bits ...........................................................267
Fuse Bits ........................................................................................................268
Signature Bytes .............................................................................................269
Calibration Byte .............................................................................................269
Page Size ......................................................................................................270
Parallel Programming Parameters, Pin Mapping, and Commands ...............270
Parallel Programming ....................................................................................272
SPI Serial Downloading .................................................................................280
SPI Serial Programming Pin Mapping ...........................................................281
Programming via the JTAG Interface ............................................................285
Absolute Maximum Ratings* .........................................................................297
DC Characteristics ........................................................................................297
Speed Grades ...............................................................................................299
Clock Characteristics .....................................................................................299
System and Reset Characteristics ................................................................300
Two-wire Serial Interface Characteristics ......................................................301
SPI Timing Characteristics ............................................................................302
ADC Characteristics ......................................................................................304
Active Supply Current ....................................................................................307
Idle Supply Current ........................................................................................310
Power-down Supply Current ..........................................................................313
Power-save Supply Current ...........................................................................314
Standby Supply Current ................................................................................315
Pin Pull-up .....................................................................................................315
Pin Driver Strength ........................................................................................317
Pin Thresholds and Hysteresis ......................................................................319
BOD Thresholds and Analog Comparator Offset ..........................................322
Internal Oscillator Speed ...............................................................................324
Current Consumption of Peripheral Units ......................................................330
Current Consumption in Reset and Reset Pulsewidth ..................................333
ATmega32A
vi