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ATmega162 Datenblatt(PDF) 80 Page - ATMEL Corporation |
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ATmega162 Datenblatt(HTML) 80 Page - ATMEL Corporation |
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80 / 324 page ![]() 80 2513K–AVR–07/09 ATmega162/V • RXD0 – Port D, Bit 0 RXD0, Receive Data (Data input pin for USART0). When the USART0 Receiver is enabled this pin is configured as an input regardless of the value of DDD0. When USART0 forces this pin to be an input, the pull-up can still be controlled by the PORTD0 bit. Table 39 and Table 40 relate the alternate functions of Port D to the overriding signals shown in Figure 32 on page 68. Table 39. Overriding Signals for Alternate Functions PD7..PD4 Signal Name PD7/RD PD6/WR PD5/TOSC2/OC1A PD4/TOSC1/XCK0/OC3A PUOE SRE SRE AS2 AS2 PUOV 0 0 0 0 DDOE SRE SRE AS2 AS2 DDOV 1 1 0 0 PVOE SRE SRE OC1A ENABLE XCK0 OUTPUT ENABLE | OC3A ENABLE PVOV RD WR OC1A if (XCK0 OUTPUT ENABLE) then XCK0 OUTPUT else OC3A DIEOE 0 0 AS2 AS2 DIEOV 0 0 0 0 DI – – – XCK0 INPUT AIO – – T/C2 OSC OUTPUT T/C2 OSC INPUT Table 40. Overriding Signals for Alternate Functions in PD3..PD0 Signal Name PD3/INT1 PD2/INT0/XCK1 PD1/TXD0 PD0/RXD0 PUOE 0 0 TXEN0 RXEN0 PUOV 0 0 0 PORTD0 • PUD DDOE 0 0 TXEN0 RXEN0 DDOV 0 0 1 0 PVOE 0 XCK1 OUTPUT ENABLE TXEN0 0 PVOV 0 XCK1 TXD0 0 DIEOE INT1 ENABLE INT0 ENABLE 0 0 DIEOV 1 1 0 0 DI INT1 INPUT/ ICP1 INPUT INT0 INPUT/XCK1 INPUT – RXD0 AIO – – – – |
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