ATmega32A Atmel Corporation, ATmega32A Datasheet - Page 348

• Manufacturer Part Number: ATmega32A
• 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

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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