ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 108

• Manufacturer Part Number: ATmega32
• 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

2503Q–AVR–02/11
Table 45. Compare Output Mode, Fast PWM
Note:
Table 46
rect or the phase and frequency correct, PWM mode.
Table 46. Compare Output Mode, Phase Correct and Phase and Frequency Correct PWM
Note:
• Bit 3 – FOC1A: Force Output Compare for Compare unit A
• Bit 2 – FOC1B: Force Output Compare for Compare unit B
The FOC1A/FOC1B bits are only active when the WGM13:0 bits specifies a non-PWM mode.
However, for ensuring compatibility with future devices, these bits must be set to zero when
TCCR1A is written when operating in a PWM mode. When writing a logical one to the
FOC1A/FOC1B bit, an immediate compare match is forced on the Waveform Generation unit.
The OC1A/OC1B output is changed according to its COM1x1:0 bits setting. Note that the
FOC1A/FOC1B bits are implemented as strobes. Therefore it is the value present in the
COM1x1:0 bits that determine the effect of the forced compare.
COM1A1/COM1B1
COM1A1/COM1B1
1. A special case occurs when OCR1A/OCR1B equals TOP and COM1A1/COM1B1 is set. In
1. A special case occurs when OCR1A/OCR1B equals TOP and COM1A1/COM1B1 is set.
shows the COM1x1:0 bit functionality when the WGM13:0 bits are set to the phase cor-
0
0
1
1
0
0
1
1
this case the compare match is ignored, but the set or clear is done at BOTTOM.
PWM Mode” on page 99.
“Phase Correct PWM Mode” on page 101.
COM1A0/COM1B0
COM1A0/COM1B0
0
1
0
1
0
1
0
1
for more details.
Description
Normal port operation, OC1A/OC1B
disconnected.
WGM13:0 = 15: Toggle OC1A on Compare
Match, OC1B disconnected (normal port
operation).
For all other WGM13:0 settings, normal port
operation, OC1A/OC1B disconnected.
Clear OC1A/OC1B on compare match, set
OC1A/OC1B at BOTTOM,
(non-inverting mode)
Set OC1A/OC1B on compare match, clear
OC1A/OC1B at BOTTOM,
(inverting mode)
Description
Normal port operation, OC1A/OC1B
disconnected.
WGM13:0 = 9 or 14: Toggle OC1A on
Compare Match, OC1B disconnected (normal
port operation).
For all other WGM13:0 settings, normal port
operation, OC1A/OC1B disconnected.
Clear OC1A/OC1B on compare match when
up-counting. Set OC1A/OC1B on compare
match when downcounting.
Set OC1A/OC1B on compare match when up-
counting. Clear OC1A/OC1B on compare
match when downcounting.
(1)
for more details.
ATmega32(L)
See “Fast
(1)
108
See