Zilog EZ80L92 - Manual (Page 33)

eZ80L92 Development Kit
User Manual
UM012913-0407 Operational Description
29
Table 11. 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.
7 D2 RxD indicator; can drive an LED anode without
additional circuitry.
8 D3 DTR indicator; can drive an LED anode without
additional circuitry.
9 D4 TxD indicator; can drive an LED anode without
additional circuitry.
Table 12. Connector J1
Pin Symbol Description
2 MOD_DIS Modem disable, active Low.
4 V
CC
+5 V DC or +3.3 V DC input.
24 GND Ground.
25 PC4_DTR1 DTR interface; TTL levels.
26 PC6_DCD1 DCD interface; TTL levels.
27 PC3_CTS1 CTS interface; TTL levels.
28 PC5_DSR1 DSR interface; TTL levels.