Zilog eZ80F92 - Manual (Page 34)

eZ80F92 Development Kit
User Manual
eZ80Acclaim!
®
Development Platform UM013911-0607
30
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 VDC or +3.3 VDC 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.
29 PC7_RI1 Ring Indicator interface; TTL levels.
30 PC0_TXD1 TxD interface; TTL levels.
31 PC1_RXD1 RxD interface; TTL levels.
32 PC2_RTS1 RTS interface; TTL levels.