AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 149

• 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

13.3.1
13.4
13.4.1
7734P–AVR–08/10
Signal Description
Output Polarity
Input Description
The polarity “active high” or “active low” of the PSCR outputs is programmable. All the timing diagrams
in the following examples are given in the “active high” polarity.
Figure 13-2.
Table 13-1.
OCRrRB[11
:0]
OCRrSB[11:
0]
OCRrRA[11
:0]
Name
PSCR External Block View
Internal Inputs
Compare Value which Reset Signal on Part B (PSCOUTr1)
Compare Value which Set Signal on Part B (PSCOUTr1)
Compare Value which Reset Signal on Part A (PSCOUTr0)
OCRrR B[11:0]
OCRrSB[11:0]
OCRrR A[11:0]
OCRrSA[11:0]
PICRr[11:0]
Description
IRQ PSC r
CLK
CLK
PLL
I/O
12
12
12
12
12
PSCrASY
3
PSCOUT r0
PSCOUT r1
PSCINr
Aralog
Comparator
Output
AT90PWM81
Register
12 bits
Register
12 bits
Register
12 bits
Type
Width
149