Zilog eZ80F92 Manual do Utilizador descarregar pdf (Página 33)

eZ80F92 Development Kit

User Manual

UM013911-0607 Operational Description

Embedded Modem Socket Interface

The eZ80Acclaim!

Development Platform features a socket for an

optional 56K modem (a modem is not included in the kit).

Connectors J1, J5, and J9 provide connection capability. The modem

socket interface provided by these three connectors is shown in Figure 9.

Tables 10 through 12 identify the pins for each connector. The embedded

modem utilizes UART1, which is available via the Port C pins.

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

Table 10. Connector J5

Pin Symbol Description

1 M-TIP Telephone Line Interface—TIP.

2 M-RING Telephone Line Interface—RING.

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 86 87

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