at90pwm81-16se ATMEL Corporation, at90pwm81-16se Datasheet - Page 129
at90pwm81-16se
Manufacturer Part Number
at90pwm81-16se
Description
8-bit Avr Microcontroller With 8k Bytes In- System Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT90PWM81-16SE.pdf
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13.19 PSC2 Outputs
13.19.1
13.19.2
7734M–AVR–03/10
Output Matrix
PSCOUT22 & PSCOUT23 Selectors
PSC2 has an output matrix which allow in 4 ramp mode to program a value of PSCOUT20 and
PSCOUT21 binary value for each ramp.
Table 13-9.
PSCOUT2m takes the value given in Table 13-9. during all corresponding ramp. Thanks to the Output
Matrix it is possible to generate all kind of PSCOUT20/PSCOUT21 combination.
When Output Matrix is used, the PSC n Output Polarity POPn has no action on the outputs.
PSC 2 has two supplementary outputs PSCOUT22 and PSCOUT23.
According to POS22 and POS23 bits in PSOC2 register, PSCOUT22 and PSCOUT23 duplicate
PSCOUT20 and PSCOU21.
If POS22 bit in PSOC2 register is clear, PSCOUT22 duplicates PSCOUT20.
If POS22 bit in PSOC2 register is set, PSCOUT22 duplicates PSCOUT21.
If POS23 bit in PSOC2 register is clear, PSCOUT23 duplicates PSCOUT21.
If POS23 bit in PSOC2 register is set, PSCOUT23 duplicates PSCOUT20.
Figure 13-39. PSCOUT22 and PSCOUT23 Outputs
PSCOUT20
PSCOUT21
Waveform
Generator A
Waveform
Generator B
Output Matrix versus ramp number
Ramp 0
POMV2A0
POMV2B0
Output
Matrix
Ramp 1
POMV2A1
POMV2B1
0
1
1
0
POS22
POS23
Ramp 2
POMV2A2
POMV2B2
PSCOUT20
PSCOUT22
PSCOUT23
PSCOUT21
AT90PWM81
Ramp 3
POMV2A3
POMV2B3
129
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