AT90PWM1 Atmel Corporation, AT90PWM1 Datasheet - Page 154

• Manufacturer Part Number: AT90PWM1
• Manufacturer: Atmel Corporation

Specifications of AT90PWM1

• Flash (kbytes): 8 Kbytes
• Pin Count: 24
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 19
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 2
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 105
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 12
• Input Capture Channels: 1
• Pwm Channels: 7
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

16.24 Interrupts
16.24.1
16.24.2
16.25 PSC Register Definition
154
AT90PWM1
List of Interrupt Vector
PSC Interrupt Vectors in AT90PWM1
Table 42. Output Clock versus Selection and Prescaler
This section describes the specifics of the interrupt handling as performed in AT90PWM1.
Each PSC provides 2 interrupt vectors
•
•
16.26.216.26.2See PSCn Interrupt Mask Register
page
Table 43. PSC Interrupt Vectors
Registers are explained for PSC0. They are identical for PSC1. For PSC2 only different registers
are described.
PCLKSELn
0
0
0
0
1
1
1
1
Vector
No.
PSCn EC (End of Cycle): When enabled and when a match with OCRnRB occurs
PSCn CAPT (Capture Event): When enabled and one of the two following events occurs :
retrigger, capture of the PSC counter or Synchro Error.
2
3
6
7
-
-
164.
Program
Address
0x0001
0x0002
0x0005
0x0006
-
-
PPREn1
0
0
1
1
0
0
1
1
PSC2 CAPT
PSC2 EC
PSC0 CAPT
PSC0 EC
Source
-
-
PPREn0
0
1
0
1
0
1
0
1
Interrupt Definition
-
PSC2 Capture Event or Synchronization Error
PSC2 End Cycle
PSC0 Capture Event or Synchronization Error
PSC0 End Cycle
-
page 164
and PSCn Interrupt Flag Register
CLKPSCn output
AT90PWM1
CLK I/O
CLK I/O / 4
CLK I/O / 32
CLK I/O / 256
CLK PLL
CLK PLL / 4
CLK PLL / 32
CLK PLL / 256
4378C–AVR–09/08