Zilog EZ80F91 Manual do Utilizador descarregar pdf (Página 31)

eZ80F91 Development Kit

User Manual

UM014220-0508 eZ80 Development Kit

Figure 9. Embedded Modem Socket Interface—J1, J5, and J9

Table 11. Connector J5

Pin Symbol Description

1 M-TIP Telephone Line Interface—TIP

2 M-RING Telephone Line Interface—RING

Table 12. Connector J9

Pin Symbol Description

1 MRESET Reset, active Low, 50–100 ms. Closure to GND for reset

3 GND Ground

6 D1 DCD indicator; can drive an LED anode without additional circuitry

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 77 78

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Zilog EZ80F91 Manual do Utilizador Página 31