AT90PWM81 Atmel Corporation, AT90PWM81 Datasheet - Page 171
AT90PWM81
Manufacturer Part Number
AT90PWM81
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT90PWM161.pdf
(325 pages)
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
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13.22 Interrupts
13.22.1
13.23 PSCR Register Definition
13.23.1
7734P–AVR–08/10
List of Interrupt Vector
PSCR Synchro and Output Configuration – PSOC0
This section describes the specifics of the interrupt handling as performed in AT90PWM81.
The PSCR provides 3 interrupt vectors
See PSC0 Interrupt Mask Register
Bit
Read/Write
Initial Value
• Bit 7– PISEL0A1: PSC Input Select for part A
Together with PISEL0A0, defines active signal on PSCR part A.
Table 13-8.
• Bit 6– PISEL0B1: PSCR Input Select for part B
Together with PISEL0B0, defines active signal on PSCR part B.
Table 13-9.
PISEL0A1
0
0
1
1
PISEL0B1
0
0
1
1
• PSC0EC (End of Cycle): When enabled and when a match with OCRrRB occurs
• PSC0EEC (End of Enhanced Cycle): When enabled and when a match with OCRrRB occurs at the
• PSC0CAPT (Capture Event): When enabled and one of the two following events occurs : retrigger,
•
15th enhanced cycle
capture of the PSCR counter or Synchro Error.
R/W
7
PISEL0A1
0
PSC trigger & fault input Selection
PSC trigger & fault input Selection
PISEL0A0
0
1
0
1
PISEL0B0
0
1
0
1
6
PISEL0B1 PSYNC01
R/W
0
5
R/W
0
page 177
Description
PSCIN0
Analog comparator output
PSCIN0A
PSCIN0B
Description
PSCIN0
Analog comparator output
PSCIN0A
PSCIN0B
and PSC0 Interrupt Flag Register
4
PSYNC00
R/W
0
3
-
R/W
0
2
POEN0B
R/W
0
1
R/W
0
-
page
AT90PWM81
178.
0
POEN0A
R/W
0
PSOC0
171
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