Datasheet

DEM 20231 SYH-PY-CYR22 Product Specification
Version: 2 PAGE: 2
1. FUNCTIONS & FEATURES
MODULE LCD TYPE
DEM 20231 SYH-PY-CYR22 STN Yellow Green Transflective Positive Mode
l Viewing Direction : 6 O'clock
l Driving Scheme : 1/16 Duty Cycle, 1/5 Bias
l Power Supply Voltage : 5.0 Volt (typ.)
l VLCD Adjustable for Best Contrast : 4.5 Volt (typ.)
l Backlight Color : Yellow Green, Lightguide
l Display contents : 20x2 Characters (5x8 dots, Format: 208 Kinds)
l Internal Memory : CGROM (10,080 bits)
: CGRAM (64 x 8 bits)
: DDRAM (80 x 8 bits for Digits)
l CGROM : CGROM of the ST7066-0T (Cyrillic Character Font)
l Interface : Easy Interface with a 4-bit or 8-bit MPU
2. MECHANICAL SPECIFICATIONS
l Module Size : 116.00 x 37.00 x 12.00 mm (max.)
l Character Pitch : 3.70 x 5.95 mm
l Character Size : 3.20 x 5.55 mm
l Character Font : 5 x 8 dots
l Dot Size : 0.60 x 0.65 mm
l Dot Pitch : 0.65 x 0.70 mm
3. BLOCK DIAGRAM
LCD
Controller
LSI
ST7066U-0T
LCD PANEL
2 Line * 20 Characters
DB0~DB7
E
R/W
RS
V0
VDD
VSS
A
K
COM1~COM16
SEG41~SEG10
0
Control signals
ST7063
SEG1~SEG40
BACKLIGHT