Last
update : 23. March 2012
NHV-Display
2*20 char RGB LCD-Display controller
for I²C
host
Multicolor 2*20 Char I²C LCD-Display mit Tastatur
|
(click
to
the picture)
Eigenschaften / Features
Controller for I2C LCD NHD-C0220BiZ-FS(RGB)-FBW-3VM by Newhaven.To become familiar with the features of the I2C LCD-display for future projects and for driver display design, a test hardware was created with the features:. - self-contained I2C Display controller with powersaving MSP430F2274
- LCD connection via bitbang I2C
- Keyboard support for up to 16 buttons, keys debounced ,autorepeat
- display and keyboard control via serial protocol
- Host interface optional RS232 (+-12V), RS232 (TTL) or I2C connection.
- optional interrupt to host
Example (same display , different back ground colors)
(click
to
the picture)
NHD-C0220BiZ-FS(RGB)-FBW-3V Data sheet ( 509 MByte)
Eagle symbol for NHD-C0220BiZ-FS(RGB)-FBW-3VM
LCD driver procedures with bitbang I2C connection
(no guaranty for proper operation, may be changed on demand)
LCDNHDC0220.c LCDNHDC0220.h
Scheme for Display controller Layout Display Controller Test board
ADT
ADB
Breadboard circuitry
LCD-Controller board protocol description:
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