ATmega32A Atmel Corporation, ATmega32A Datasheet - Page 348
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
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Company
Part Number
Manufacturer
Quantity
Price
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Manufacturer:
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Quantity:
20 000
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Part Number:
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5
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Manufacturer:
MICROCHIP/微芯
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20 000
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Part Number:
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Manufacturer:
ATMEL
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3 000
Company:
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Manufacturer:
Atmel
Quantity:
26 792
8155C–AVR–02/11
15 Timer/Counter0 and Timer/Counter1 Prescalers ................................ 88
16 16-bit Timer/Counter1 ............................................................................ 91
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 119
18 SPI – Serial Peripheral Interface ......................................................... 138
14.6
14.7
14.8
14.9
15.1
15.2
15.3
15.4
15.5
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
17.10
17.11
18.1
Compare Match Output Unit ............................................................................77
Modes of Operation .........................................................................................78
Timer/Counter Timing Diagrams .....................................................................82
Register Description ........................................................................................84
Overview ..........................................................................................................88
Internal Clock Source ......................................................................................88
Prescaler Reset ...............................................................................................88
External Clock Source .....................................................................................88
Register Description ........................................................................................90
Features ..........................................................................................................91
Overview ..........................................................................................................91
Accessing 16-bit Registers ..............................................................................94
Timer/Counter Clock Sources .........................................................................96
Counter Unit ....................................................................................................97
Input Capture Unit ...........................................................................................98
Compare Match Output Unit ..........................................................................102
Modes of Operation .......................................................................................103
Timer/Counter Timing Diagrams ...................................................................110
Register Description ......................................................................................112
Features ........................................................................................................119
Overview ........................................................................................................119
Timer/Counter Clock Sources .......................................................................120
Counter Unit ..................................................................................................120
Output Compare Unit .....................................................................................121
Compare Match Output Unit ..........................................................................123
Modes of Operation .......................................................................................124
Timer/Counter Timing Diagrams ...................................................................128
Asynchronous Operation of the Timer/Counter .............................................130
Timer/Counter Prescaler ...............................................................................132
Register Description ......................................................................................132
Features ........................................................................................................138
ATmega32A
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