Embedded Modem Socket Interface; Figure 9. Embedded Modem Socket Interface-J1, J5, And J9; Table 10. Connector J5 - ZiLOG eZ80F92 User Manual

eZ80F92 Development Kit
User Manual
28

Embedded Modem Socket Interface

Pin Symbol
1 M-TIP
2 M-RING
Operational Description
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®
The eZ80 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

Description
Telephone Line Interface—TIP.
Telephone Line Interface—RING.
J5 J1
1 2
2
4
24
25
26
27
28
J9
1
29
3
30
6
7
31
8
32
9
PRELIMINARY UM013904-0203