Zilog EZ80L92 Manual de usuario Pagina 33

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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
2MOD_DIS
Modem disable, active Low.
4V
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.
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