AT90PWM3B Atmel Corporation, AT90PWM3B Datasheet - Page 155
AT90PWM3B
Manufacturer Part Number
AT90PWM3B
Description
Manufacturer
Atmel Corporation
Specifications of AT90PWM3B
Flash (kbytes)
8 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
27
Ext Interrupts
4
Usb Speed
No
Usb Interface
No
Spi
1
Uart
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
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
5
Output Compare Channels
16
Input Capture Channels
1
Pwm Channels
12
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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Manufacturer
Quantity
Price
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Part Number:
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Part Number:
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Part Number:
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Manufacturer:
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20 000
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4317J–AVR–08/10
PSCOUTn0
PSCOUTn1
PSCn Input A
PSCn Input B
PSCOUTn0
PSCOUTn1
DT0
DT0
OT0
OT0
Figure 16-35. PSC behaviour versus PSCn Input A in Mode 14
The output frequency is not modified by the occurence of significative edge of retriggering input.
Figure 16-36. PSC behaviour versus PSCn Input B in Mode 14
The output is disactivated while retriggering input is active.
The output of the PSC is set to an inactive state and the corresponding ramp is not aborted. The
output stays in an inactive state while the Retrigger/Fault input is actve. The PSC runs at con-
stant frequency.
AT90PWM2/3 : The retrigger event is taken into account only if it occurs during the correspond-
ing On-Time. In the case of the retrigger event is not taken into account, the following active
outputs remains active, they are not desactivated.
DT1
DT1
OT1
OT1
DT0
DT0
OT0
OT0
DT1
DT1
OT1
OT1
DT0
DT0
OT0
OT0
DT1
DT1
AT90PWM2/3/2B/3B
OT1
OT1
DT0
DT0
OT0
OT0
DT1
DT1
OT1
OT1
155
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