Data Sheet
Table Of Contents
- Overview
- Features
- Applications
- Device Selection Guide
- Package Dimensions
- Absolute Maximum Ratings
- ASCII Character Set
- Recommended Operating Conditions
- Electrical Characteristics
- Optical Characteristics
- AC Timing Characteristics
- AC Timing Frequency Characteristics
- Electrical Description
- Display Internal Block Diagram
- Character RAM
- UDC RAM and UDC Address Register
- Flash RAM
- Control Word Register
- Brightness (Bits 0–2)
- Flash Function (Bit 3)
- Blink Function (Bit 4)
- Current Requirements at Different Brightness Levels (VDD = 5.0V)
- Self-Test Function (Bits 5, 6)
- Clear Function (Bit 7)
- Display Reset
- Mechanical and Electrical Considerations
- Thermal Considerations
- Ground Connections
- Thermal Resistance (θJA) Using Various Amounts of Heatsinking Material
- Soldering and Post Solder Cleaning Instructions for the HDSP-210X/- 211X/250X
- Contrast Enhancement
- Intensity Bin Limits for HDSP-2107
- Intensity Bin Limits for HDSP-211x and HDSP-250x (Except HDSP-2504)
- Intensity Bin Limit for HDSP-2504
- Color Bin Limits
- Packing Information
Broadcom AV02-0629EN
15
HDSP-210x/-211x/-250x Series Data Sheet Eight-Character 5 mm and 7 mm Smart Alphanumeric Displays
Figure 11: Logic Levels to Access the Control Word Register
Current Requirements at Different Brightness Levels (V
DD
= 5.0V)
Symbol D2 D1 D0
Percent
Brightness
Current at 25°C
Typ.
Unit
I
DD
(V)000100200mA
00180160mA
01053106mA
0114080mA
1002754mA
1012040mA
1101326mA
CE
FL A
4
A
3
A
2
A
1
A
0
RST WR RD
01
00
01
1
10XXX1
0
11
Undefined
Control Signals
Control Word Address
Control Word Data Format
0 = Logic 0; 1 = Logic 1; X = Do Not Care
0 Disable Flash
1 Enable Flash
Brightness
Control
Levels
0 Disable Blinking
1 Enable Blinking
0 Normal Operation
1 Clear Flash and Character RAMS
0 X Normal Operation; X is Ignored
1 X Start Self Test; Result Given in X
X = 0 Failed X = 1 Passed
Write to Display
Read from Display
Undefined
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
C
SSBLFB
0 0 0 100%
0 0 1 80%
0 1 0 53%
0 1 1 40%
1 0 0 27%
1 0 1 20%
1 1 0 13%
1 1 1 0%
BB