Rainbow-electronics ATtiny861_V Manual de usuario descargar pdf (Pagina 66)

2588B–AVR–11/06

ATtiny261/461/861

PCINT3: Pin Change Interrupt source 3.

• Port A, Bit 2 - ADC2/INT1/USCK/SCL/PCINT2

ADC2: Analog to Digital Converter, Channel 2.

INT1: The PA2 pin can serve as an External Interrupt source 1.

USCK: Three-wire mode Universal Serial Interface Clock.

SCL: Two-wire mode Serial Clock for USI Two-wire mode.

PCINT2: Pin Change Interrupt source 2.

• Port A, Bit 1 - ADC1/DO/PCINT1

ADC1: Analog to Digital Converter, Channel 1.

DO: Three-wire mode Universal Serial Interface Data output. Three-wire mode Data output over-

rides PORTA1 value and it is driven to the port when data direction bit DDA1 is set. PORTA1 still

enables the pull-up, if the direction is input and PORTA1 is set.

PCINT1: Pin Change Interrupt source 1.

• Port A, Bit 0 - ADC0/DI/SDA/PCINT0

ADC0: Analog to Digital Converter, Channel 0.

DI: Data Input in USI Three-wire mode. USI Three-wire mode does not override normal port

functions, so pin must be configure as an input for DI function.

SDA: Two-wire mode Serial Interface Data.

PCINT0: Pin Change Interrupt source 0.

Table 12-7 and Table 12-8 relate the alternate functions of Port A to the overriding signals

shown in Figure 12-5 on page 59.

Table 12-7. Overriding Signals for Alternate Functions in PA7..PA4

Signal

Name

PA7/ADC6/AIN0/

PCINT7

PA6/ADC5/AIN1/

PCINT6

PA5/ADC4/AIN2/

PCINT5

PA4/ADC3/ICP0/

PCINT4

PUOE0000

PUOV0000

DDOE0000

DDOV0000

PVOE0000

PVOV0000

PTOE0000

DIEOE PCINT7 • PCIE +

ADC6D

PCINT6 • PCIE +

ADC5D

PCINT5 • PCIE +

ADC4D

PCINT4 • PCIE +

ADC3D

DIEOV ADC6D

ADC5D ADC4D ADC3D

DI PCINT7 PCINT6 PCINT5 ICP0/PCINT4

AIO ADC6, AIN0 ADC5, AIN1 ADC4, AIN2 ADC3

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 235 236

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Rainbow-electronics ATtiny861_V Manual de usuario Pagina 66

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