AT90PWM2B Atmel Corporation, AT90PWM2B Datasheet - Page 130
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AT90PWM2B
Manufacturer Part Number
AT90PWM2B
Description
Manufacturer
Atmel Corporation
Specifications of AT90PWM2B
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
Uart
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
Dac Channels
1
Dac Resolution (bits)
10
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM2B-16SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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130
PSC Description
AT90PWM2/3/2B/3B
Figure 16-1. Power Stage Controller 0 or 1 Block Diagram
Note:
The principle of the PSC is based on the use of a counter (PSC counter). This counter is able to
count up and count down from and to values stored in registers according to the selected run-
ning mode.
The PSC is seen as two symetrical entities. One part named part A which generates the output
PSCOUTn0 and the second one named part B which generates the PSCOUTn1 output.
Each part A or B has its own PSC Input Module to manage selected input.
n = 0, 1
PCTLn
OCRnRB
OCRnSB
OCRnRA
PICRn
PSC Counter
PCNFn
OCRnSA
=
=
=
=
PFRCnA
PFRCnB
Part B
Part A
Generator B
PSC Input
Module B
PSC Input
Module A
Generator A
Waveform
Waveform
PSCn Input B
PSCn Input A
PSOCn
POM2(PSC2 only)
PISELnB
PISELnA
Comparator n Ouput )
( From Analog
PSCOUTn1
PSCINn
PSCOUTn0
4317J–AVR–08/10
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