AT90PWM2B-16SE ATMEL [ATMEL Corporation], AT90PWM2B-16SE Datasheet - Page 162
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AT90PWM2B-16SE
Manufacturer Part Number
AT90PWM2B-16SE
Description
8-bit Microcontroller with 8K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT90PWM2B-16SE.pdf
(361 pages)
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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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