Zilog EZ80F91 - Manual (Page 31)

eZ80F91 Development Kit
User Manual
UM014220-0508 eZ80 Development Kit
26
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
J5
J9
J1
1 2
4
24
25
26
27
28
29
30
31
32
2
1
3
6
7
8
9