ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 318
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
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Company
Part Number
Manufacturer
Quantity
Price
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ATmega32-16AC
Manufacturer:
COMPAL
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500
Part Number:
ATmega32-16AU
Manufacturer:
ATMEL
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20 000
Part Number:
ATmega32-16PI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
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Part Number:
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Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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2503Q–AVR–02/11
Figure 191. Calibrated 8MHz RC Oscillator Frequency vs. Osccal Value
Figure 192. Calibrated 4MHz RC Oscillator Frequency vs. Temperature
4.2
4.1
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
18
16
14
12
10
4
8
6
4
2
0
-40
-1
15
-30
31
-20
47
-10
63
0
79
95
10
111 127 143 159 175 191 207 223 239 255
OSCCAL VALUE
Temperature (°C)
20
30
40
50
60
70
ATmega32(L)
80
90
25°C
2.7V
5.5V
4.5V
4.0V
3.6V
3.3V
5.0V
318
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