AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 117

• Manufacturer Part Number: AT90PWM81
• Manufacturer: Atmel Corporation

Specifications of AT90PWM81

• Flash (kbytes): 8 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 20
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 3
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 8
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

12.8.3.1
7734P–AVR–08/10
Burst Generation
Figure 12-18. PSCOUTn1 retriggered by PSCn Input B (Edge Retriggering)
Note:
Figure 12-19. PSCOUTn1 retriggered by PSCn Input B (Level Acting)
Note:
Note:
PSCOUTn0
PSCOUTn1
PSCn Input B
(falling edge)
PSCn Input B
(rising edge)
PSCOUTn0
PSCOUTn1
PSCn Input B
(high level)
PSCn Input B
(low level)
This example is given in “Input Mode 8” in “2 or 4 ramp mode” See Figure 12-33. for details.
This example is given in “Input Mode 1” in “2 or 4 ramp mode” See Figure 12-22. for details.
On level mode, it’s possible to use PSC to generate burst by using Input Mode 3 or Mode 4 (
Figure 12-26. and Figure 12-27. for details.)
Dead-Time 0
Dead-Time 0
On-Time 0
On-Time 0
Dead-Time 1
Dead-Time 1
On-Time 1
On-Time 1
Dead-Time 0
Dead-Time 0
AT90PWM81
117
See