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AT90PWM3 датащи(PDF) 69 Page - ATMEL Corporation |
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AT90PWM3 датащи(HTML) 69 Page - ATMEL Corporation |
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69 / 361 page ![]() 69 4317J–AVR–08/10 AT90PWM2/3/2B/3B • AMP0- – Bit 3 AMP0-, Analog Differential Amplifier 0 Negative Input Channel. •ADC5/INT1 – Bit 2 ADC5, Analog to Digital Converter, input channel 5. INT1, External Interrupt source 1. This pin can serve as an external interrupt source to the MCU. • MOSI/PSCOUT21 – Bit 1 MOSI: SPI Master Data output, Slave Data input for SPI channel. When the SPI is enabled as a slave, this pin is configured as an input regardless of the setting of DDB1 When the SPI is enabled as a master, the data direction of this pin is controlled by DDB1. When the pin is forced to be an input, the pull-up can still be controlled by the PORTB1 and PUD bits. PSCOUT21: Output 1 of PSC 2. • MISO/PSC20 – Bit 0 MISO: Master Data input, Slave Data output pin for SPI channel. When the SPI is enabled as a master, this pin is configured as an input regardless of the setting of DDB0. When the SPI is enabled as a slave, the data direction of this pin is controlled by DDB0. When the pin is forced to be an input, the pull-up can still be controlled by the PORTB0 and PUD bits. PSCOUT20: Output 0 of PSC 2. Table 11-4 and Table 11-5 relates the alternate functions of Port B to the overriding signals shown in Figure 11-5 on page 66. Table 11-4. Overriding Signals for Alternate Functions in PB7..PB4 Signal Name PB7/ADC4/ PSCOUT01/SCK PB6/ADC7/ PSCOUT11/ ICP1B PB5/ADC6/ INT2 PB4/AMP0+ PUOE SPE • MSTR • SPIPS 00 0 PUOV PB7 • PUD • SPIPS 00 0 DDOE SPE • MSTR • SPIPS + PSCen01 PSCen11 0 0 DDOV PSCen01 1 0 0 PVOE SPE • MSTR • SPIPS PSCen11 0 0 PVOV PSCout01 • SPIPS + PSCout01 • PSCen01 • SPIPS + PSCout01 • PSCen01 • SPIPS PSCOUT11 0 0 DIEOE ADC4D ADC7D ADC6D + In2en AMP0ND DIEOV 0 0 In2en 0 DI SCKin • SPIPS • ireset ICP1B INT2 AIO ADC4 ADC7 ADC6 AMP0+ |
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