AN1924 Motorola / Freescale Semiconductor, AN1924 Datasheet - Page 16

• Manufacturer Part Number: AN1924
• Description: AN1924 Interfacing Serial LCDs to a DSP56F805s SCI and Porting Code Using the Embedded SDK
• Manufacturer: Motorola / Freescale Semiconductor

NetMedia’s Serial LCD+
Appendix A.
A.1 Pin Definitions
A.2 Serial I/O
16
The Serial LCD+ is a 4x20 LCD display with a built-in bi-directional serial interface. The unit is
controlled using standard RS-232 serial signals from a host computer or microcontroller. The LCD+
supports these serial data rates: 1200, 2400, 4800, 9600, 19200, 38400, and 57600 baud.
Figure A-1
removed). The pin definitions are identified.
The serial I/O header is made up of five connections;
shows a top-down view of the LCD+ (in this view, the LCD display module has been
Pin #
1
2
3
4
5
Table A-1. Serial I/O Pin Definitions
NetMedia’s Serial LCD+
Figure A-1. LCD+ Pin Definitions
Interfacing LCDs and Porting Code
GND – connected to host computer / c serial ground
TX serial output - Top serial I/O pin in
A +5V courtesy connection (maximum 20mA)
RX serial input – Next pin down
Not connected
Description
Table A-1
defines the pins.
Figure A-1