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AT90PWM2 Datasheet(PDF) 169 Page - ATMEL Corporation |
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AT90PWM2 Datasheet(HTML) 169 Page - ATMEL Corporation |
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169 / 365 page  169 AT90PWM2/3 4317A-3–AVR–02/05 • 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. Output Compare SA Register – OCRnSAH and OCRnSAL Output Compare RA Register – OCRnRAH and OCRnRAL Output Compare SB Register – OCRnSBH and OCRnSBL Table 63. Synchronization Source Description in Centered Mode PSYNCn1 PSYNCn0 Description 0 0 Send signal on match with OCRnSA (during counting down of PSC) 0 1 Send signal on match with OCRnSA (during counting up of PSC) 1 0 no synchronization signal 1 1 no synchronization signal Bit 765 432 10 – – – – OCRnSA[11:8] OCRnSAH OCRnSA[7:0] OCRnSAL Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 000 00 Bit 765 432 10 – – – – OCRnRA[11:8] OCRnRAH OCRnRA[7:0] OCRnRAL Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 000 00 Bit 765 432 10 – – – – OCRnSB[11:8] OCRnSBH OCRnSB[7:0] OCRnSBL Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 000 00 |
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