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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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ATMEGA329P Folha de dados(PDF) 78 Page - ATMEL Corporation |
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ATMEGA329P Folha de dados(HTML) 78 Page - ATMEL Corporation |
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78 / 385 page  78 8021E–AVR–07/09 ATmega329P/3290P • XCK/AIN0/PCINT2 – Port E, Bit 2 XCK, USART0 External Clock. The Data Direction Register (DDE2) controls whether the clock is output (DDE2 set) or input (DDE2 cleared). The XCK pin is active only when the USART0 oper- ates in synchronous mode. AIN0 – Analog Comparator Positive input. This pin is directly connected to the positive input of the Analog Comparator. PCINT2, Pin Change Interrupt Source 2: The PE2 pin can serve as an external interrupt source. • TXD/PCINT1 – Port E, Bit 1 TXD0, UART0 Transmit pin. PCINT1, Pin Change Interrupt Source 1: The PE1 pin can serve as an external interrupt source. • RXD/PCINT0 – Port E, Bit 0 RXD, USART0 Receive pin. Receive Data (Data input pin for the USART0). When the USART0 Receiver is enabled this pin is configured as an input regardless of the value of DDE0. When the USART0 forces this pin to be an input, a logical one in PORTE0 will turn on the internal pull-up. PCINT0, Pin Change Interrupt Source 0: The PE0 pin can serve as an external interrupt source. Table 13-16 and Table 13-17 relates the alternate functions of Port E to the overriding signals shown in Figure 13-5 on page 68. Note: 1. CKOUT is one if the CKOUT Fuse is programmed Table 13-16. Overriding Signals for Alternate Functions PE7:PE4 Signal Name PE7/PCINT7 PE6/DO/ PCINT6 PE5/DI/SDA/ PCINT5 PE4/USCK/SCL/ PCINT4 PUOE 0 0 USI_TWO-WIRE USI_TWO-WIRE PUOV 0000 DDOE CKOUT(1) 0 USI_TWO-WIRE USI_TWO-WIRE DDOV 1 0 (SDA + PORTE5) • DDE5 (USI_SCL_HOLD + PORTE4) • DDE4 PVOE CKOUT(1) USI_THREE- WIRE USI_TWO-WIRE • DDE5 USI_TWO-WIRE • DDE4 PVOV clk I/O DO 0 0 PTOE ––0USITC DIEOE PCINT7 • PCIE0 PCINT6 • PCIE0 (PCINT5 • PCIE0) + USISIE (PCINT4 • PCIE0) + USISIE DIEOV 1111 DI PCINT7 INPUT PCINT6 INPUT DI/SDA INPUT PCINT5 INPUT USCKL/SCL INPUT PCINT4 INPUT AIO –––– |
Nº de peça semelhante - ATMEGA329P_1 |
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Descrição semelhante - ATMEGA329P_1 |
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