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ngeronikolos
- 30th June 2005, 10:38
hello my friends,

Does no one know something about the LCD1602BLC product by Velleman.
Some specifications:

backlight: LED
LCD type + colour: STN grey
features:
5 x 8 dots with cursor
built-in controller (KS0066U or equivalent)
+5V power supply
1/16 duty cycle
BKL to be driven by pin1, pin2, or pin15, pin16 or A, K
absolute maximum rating:
power supply (Vdd-Vss): -0.3 ~ 5.5V
input voltage (Vi): -0.3 ~ Vdd
electronic:
input voltage (Vdd): 4.7 ~ 5.5V (at +5V) / 2.7 ~ 5.3V (at +3.3V)
supply current (Idd): 1.5mA typ. (at Vdd = 5V)
recommended LCD driving voltage (Vdd-V0): 4.3 ~ 4.7V (at 25°)
LED forward voltage (Vf): 4.2V typ. (at 25°C)
LED forward current (If): 120mA (at 25°C)
mechanical:
module dimensions: 80.0 x 36.0mm
viewing area: 64.0 x 13.8mm
dot size: 0.55 x 0.50mm
character size: 2.95 x 4.35mm
pin assignment:
GND: 1 (Vss)
+5V: 2 (Vdd)
contrast adjustment: 3 (V0)
H/L register select signal: 4 (RS)
H/L read/write signal: 5 (R/W)
H/L enable signal: 6 (E)
H/L data bus lines: 7 ~ 14 (DB0 ~ DB7)
+4.2V for BKL: 15 (A)
power supply for BKL (0V): 16 (K)

http://www.velleman.be/


Can I use this kind of LCD with my 16f628?I have never use lcd with my pic!!
Is something inportant that I have to know about LCDs?

Thanks
Nikos

mister_e
- 30th June 2005, 18:56
built-in controller (KS0066U or equivalent)


this one is suppose to be Hitachi compatible... in fact it is... 'cause i have some here (40X2) with that controller and it works as is... no problem no nothing.