Serial LCD

One I/O, Power + Gnd

Buffered Command, no delay needed

No initialization routine needed.

Software Controlled LCD Backlight

Interface to PC Directly through RS232/RS485 Port

Custom Screens Storage

Custom Characters Storage

Extra Features like Graph and Big Characters Command

Parallel LCD

At least 7 I/O , 2 Power + GND

Unbuffered, some delay needed before next command can be issued.

Need to initialize before use.

Hardwired LCD Backlight

Extra Hardware Needed to interface to PC Parallel Port

None

None

None

SC1602 Connection Guide

PC (RS232) to SC1602

Microcontroller to SC1602

Note: Connection 3 is not required if the input ports(P3) and analog ports(P2) are not used.