AT90PWM2B Atmel Corporation, AT90PWM2B Datasheet - Page 162
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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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16.25.4
16.25.5
16.25.6
162
AT90PWM2/3/2B/3B
Output Compare SA Register – OCRnSAH and OCRnSAL
Output Compare RA Register – OCRnRAH and OCRnRAL
Output Compare SB Register – OCRnSBH and OCRnSBL
Table 16-12. Synchronization Source Description in Centered Mode
• Bit 3 – POEN2D : PSCOUT23 Output Enable (PSC2 only)
When this bit is clear, second I/O pin affected to PSCOUT23 acts as a standard port.
When this bit is set, second I/O pin affected to PSCOUT23 is connected to the PSC waveform
generator B output and is set and clear according to the PSC operation.
• Bit 2 – POENnB: PSC n OUT Part B Output Enable
When this bit is clear, I/O pin affected to PSCOUTn1 acts as a standard port.
When this bit is set, I/O pin affected to PSCOUTn1 is connected to the PSC waveform generator
B output and is set and clear according to the PSC operation.
• Bit 1 – POEN2C : PSCOUT22 Output Enable (PSC2 only)
When this bit is clear, second I/O pin affected to PSCOUT22 acts as a standard port.
When this bit is set, second I/O pin affected to PSCOUT22 is connected to the PSC waveform
generator A output and is set and clear according to the PSC operation.
• Bit 0 – POENnA: PSC n OUT Part A Output Enable
When this bit is clear, I/O pin affected to PSCOUTn0 acts as a standard port.
When this bit is set, I/O pin affected to PSCOUTn0 is connected to the PSC waveform generator
A output and is set and clear according to the PSC operation.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
PSYNCn1
0
0
1
1
PSYNCn0
0
1
0
1
W
W
7
–
0
7
–
0
7
–
W
W
6
–
0
6
–
0
6
–
Description
Send signal on match with OCRnRA (during counting down of PSC). The
min value of OCRnRA must be 1.
Send signal on match with OCRnRA (during counting up of PSC). The
min value of OCRnRA must be 1.
no synchronization signal
no synchronization signal
W
W
5
–
0
5
–
0
5
–
W
W
OCRnRA[7:0]
4
–
OCRnSA[7:0]
0
4
–
0
4
–
OCRnSB[7:0]
W
W
3
0
3
0
3
OCRnRA[11:8]
OCRnSA[11:8]
OCRnSB[11:8]
W
W
2
0
2
0
2
W
W
1
0
1
0
1
W
W
0
0
0
0
0
4317J–AVR–08/10
OCRnSAH
OCRnRAH
OCRnRAL
OCRnSBH
OCRnSAL
OCRnSBL
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