Embedded Acquistion Systems 68HC11 Dokumentacja Pobierz pdf (Strona 12)

JP10 is a dedicated header for a Sharp IR receiver when running Interactive C.

Function

1 Sharp IR receiver (68HC11 output pin PA2)

2 Ground

JP11 is useful for external interrupt requests.

Function Pin Function

1 XIRQ\ 2 ground

3 IRQ\ 4 ground

JP12 is a dedicated header for a Piezo beeper or speaker when running Interactive C.

Function

1 + Piezo beeper or speaker (68HC11 output pin PA3)

2 ground

JP13 is a dedicated header for an Infrared transmitter when running Interactive C.

Function

1 Infrared transmitter (68HC11 output pin PA6)

2 ground

JP14 is the serial communications header on the CPU board that is used to connect to the

Communications Board.

Pin Function Pin Function

1 PD0 2 MODA

3 PD1 4 reset

5 ground 6 VCC

JP15 is the serial communications header on the Communications board that is used to connect to

the main CPU board.

Pin Function Pin Function

1 PD0 2 MODA

3 PD1 4 reset

5 ground 6 VCC

JP16 is an available 5volt source (VCC) taken from the onboard 7805 voltage regulator.

Function

1 VCC

2 Ground

JP17 is used to connect an external reset switch.

Function

1 reset

2 ground

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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Embedded Acquistion Systems 68HC11 Dokumentacja Strona 12