AT90PWM161 Atmel Corporation, AT90PWM161 Datasheet - Page 170
AT90PWM161
Manufacturer Part Number
AT90PWM161
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT90PWM161.pdf
(325 pages)
Specifications of AT90PWM161
Flash (kbytes)
16 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM161-16MN
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT90PWM161-WN
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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13.20 Interrupt Handling
13.21 PSC Clock Sources
170
AT90PWM81
This signal can be selected between all falling or rising edge of PSCr0 or PSCr1 outputs.
List of interrupt sources:
PSCR must be able to generate high frequency with enhanced resolution.
The PSCR has two clock inputs:
Figure 13-31. Clock selection
PCLKSELr bit in PSCR Configuration register (PCNFr) is used to select the clock source.
PPREr1/0 bits in PSCR Control Register (PCTLr) are used to select the divide factor of the clock.
Table 13-7.
PCLKSELr
0
0
0
0
1
1
1
1
• Counter reload (end of On Time 1)
• PSCR Input event (active edge or at the beginning of level configured event)
• CLK PLL from the PLL
• CLK I/O
CLK
CLK
PLL
I/O
Output Clock versus Selection and Prescaler
PPREr1
0
0
1
1
0
0
1
1
PCLKSELr
1
0
CK
PPREr0
0
1
0
1
0
1
0
1
PRESCALER
CLK
CLKPSCr output
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
PSCr
PPREr1/0
7734P–AVR–08/10
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