AT90PWM3B-16SUR Atmel, AT90PWM3B-16SUR Datasheet - Page 157

• Manufacturer Part Number: AT90PWM3B-16SUR
• Description: MCU AVR 8K FLASH 16MHA 32SOIC
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM3B-16SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 27
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 32-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16.19 PSC2 Outputs
16.19.1
16.19.2
16.20 Analog Synchronization
4317J–AVR–08/10
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 16-8.
PSCOUT2m takes the value given in Table 16-8. 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 16-37. PSCOUT22 and PSCOUT23 Outptuts
PSC generates a signal to synchronize the sample and hold; synchronisation is mandatory for
measurements.
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
AT90PWM2/3/2B/3B
Ramp 2
POMV2A2
POMV2B2
PSCOUT20
PSCOUT22
PSCOUT23
PSCOUT21
Ramp 3
POMV2A3
POMV2B3
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