Zilog eZ80F92 - Manual (Page 33)

eZ80F92 Development Kit
User Manual
UM013911-0607 Operational Description
29
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.
J5
J9
J1
1 2
4
24
25
26
27
28
29
30
31
32
2
1
3
6
7
8
9