Rainbow-electronics ATtiny2313 Uživatelský manuál stáhnout pdf (Strana 58)

ATtiny2313

2543A–AVR–08/03

• T0 – Port D, Bit 4

CKOUT: System Clock Output

T0: Timer/Counter0 External Counter Clock input is enabled by setting (one) the bits

CS02 and CS01 in the Timer/Counter0 Control Register (TCCR0).

• INT1 – Port D, Bit 3

INT0: External Interrupt Source 0. The PD3 pin can serve as an external interrupt

source to the MCU.

• INT0/XCK/CKOUT – Port D, Bit 2

INT1: External Interrupt Source 1. The PD2 pin can serve as en axternal interrupt

source to the MCU.

XCK: USART Transfer Clock used only by Synchronous Transfer mode.

CKOUT: System Clock Output

• TXD – Port D, Bit 1

TXD: UART Data Transmitter.

• RXD – Port D, Bit 0

RXD: UART Data Receiver.

Table 30 and Table 31 relates the alternate functions of Port D to the overriding signals

shown in Figure 25 on page 52.

Table 30. Overriding Signals for Alternate Functions PD7..PD4

Signal

Name PD6/ICP PD5/OC1B/T1 PD4/T0

PUOE000

PUOV000

DDOE 0 0 0

DDOV 0 0 0

PVOE 0 OC1B_PVOE 0

PVOV 0 OC1B_PVOV 0

PTOE000

DIEOE ICP ENABLE T1 ENABLE T0 ENABLE

DIEOV111

DI ICP INPUT T1 INPUT T0 INPUT

AIO––AIN1

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 210 211

Žádné komentáře

Rainbow-electronics ATtiny2313 Uživatelský manuál Strana 58