User's Manual

LZT 123 1834 35
Pin Name Unused pin termination
31 BUZZER Leave Open
32 DSR1/GPIO7 Connect to VREF
33 LED/GPIO6 Connect to VREF
34 VREF Must be connected
35 TX_ON Leave Open
36 RI/GPIO8 Connect to VREF
37 DTR1/GPIO10 Connect to VREF
38 DCD1/GPIO11 Connect to VREF
39 RTS1/GPIO9 Connect to VREF
40 CTS1/GPIO12 Connect to VREF
41 DTM1 Connect to VREF
42 DFM1 Leave Open
43 DTM3 Connect to VREF
44 DFM3 Leave Open
45 USBDP Leave Open
46 USBDN Leave Open
47 SSPDTM Connect to VREF
48 SSPDFM Leave Open
49 VUSB Leave Open
50 ALARM Leave Open
51 SSPFS Leave Open
52 SSPCLK Leave Open
53 MICIP Connect to AREF
54 MICIN Connect to AREF
55 EARP Leave Open
56 EARN Leave Open
57 AUXO Leave Open
58 SERVICE Ground
59 AUXI Connect to AREF
60 AREF Leave Open