Rainbow-electronics ATtiny2313 Manual de usuario descargar pdf (Pagina 57)

ATtiny2313

2543A–AVR–08/03

Alternate Functions of Port D The Port D pins with alternate functions are shown in Table 29.

The alternate pin configuration is as follows:

• ICP – Port D, Bit 6

ICP: Timer/Counter1 Input Capture Pin. The PD6 pin can act as an Input Capture pin for

Timer/Counter1

• OC1B/T1 – Port D, Bit 5

OC0B: Output Compare Match B output: The PD5 pin can serve as an external output

for the Timer/Counter0 Output Compare B. The pin has to be configured as an output

(DDB5 set (one)) to serve this function. The OC0B pin is also the output pin for the PWM

mode timer function.

T1: Timer/Counter1 External Counter Clock input is enabled by setting (one) the bits

CS02 and CS01 in the Timer/Counter1 Control Register (TCCR1).

Table 28. Overriding Signals for Alternate Functions in PB3..PB0

Signal

Name

PB3/OC1A/

PCINT3

PB2/OC0A/

PCINT2

PB1/AIN1/

PCINT1

PB0/AIN0/

PCINT0

PUOE 0 0 0 0

PUOV 0 0 0 0

DDOE 0 0 0 0

DDOV 0 0 0 0

PVOE OC1A_PVOE OC0A_PVOE 0 0

PVOV OC1A_PVOV OC0A_PVOV 0 0

PTOE 0 0 0 0

DIEOE (PCINT3 • PCIE) (PCINT2 • PCIE) (PCINT1 • PCIE) (PCINT0 • PCIE)

DIEOV 1 1 1 1

DI PCINT7 INPUT PCINT6 INPUT PCINT5 INPUT PCINT4 INPUT

AIO – – AIN1 AIN0

Table 29. Port D Pins Alternate Functions

Port Pin Alternate Function

PD6 ICP

PD5 OC0B/T1

PD4 T0

PD3 INT1

PD2 INT0/XCK/CKOUT

PD1 TXD

PD0 RXD

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 210 211

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Rainbow-electronics ATtiny2313 Manual de usuario Pagina 57

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