20T202DA1E Pacer Components, 20T202DA1E Datasheet - Page 2

• Manufacturer Part Number: 20T202DA1E
• Description: Vacuum Fluorescent Display Module
• Manufacturer: Pacer Components

2X20 LCD Compatible VFD Module
1. SCOPE.
2. FEATURES.
3. PRECAUTIONS
4. PRODUCT SPECIFICATIONS
5. FUNCTION DESCRIPTIONS
6. INSTRUCTIONS
* Character Code Table (CG-RAM & CG-ROM).
4.1 Type
4.2 Outer Dimensions, Weight.
4.3 Environment Conditions.
4.4 Absolute Maximum Ratings.
4.5 Recommended Operating Conditions.
4.6 DC Characteristics.
4.7 Timing Chart and AC Characteristics
4.8 Connector Pin Assignment.
4.9 System Block Diagram.
4.10 Connector through Hole Location
4.11 Outer Dimensions.
4.12 Pattern Details.
5.1 Registers in VFD Controller.
5.2 Interfacing to the MPU.
5.3 MPU Type Select Function
5.4 Reset Function
6.1 Outline.
6.2 Instructions Descriptions.
6.3 Example of Initialization after Power ON
4.7.1 Power-on Reset and/or RESET Signal Timing
4.7.4 M68 Type CPU Bus Write-in Timing
4.7.5 M68 Type CPU Bus Read-out Timing
4.7.2 i80 Type CPU Bus Write-in Timing
4.7.3 i80 Type CPU Bus Read-out Timing
5.1.1 Busy Flag (BF).
5.1.2 Address Counter (ACC).
5.1.3 Display Data RAM (DD-RAM).
5.1.4 Character Generator ROM (CG-ROM).
5.1.5 Character Generator RAM (CG-RAM).
* CG-RAM Font Design Example..................
5.4.1 Power-on Reset.
5.4.2 External Reset.
6.2.1 Display Clear.
6.2.2 Cursor Home.
6.2.3 Entry Mode Set.
6.2.4 Display ON/OFF.
6.2.5 Cursor/Display Shift.
6.2.6 Function Set.
6.2.7 Set CG-RAM Address.
6.2.8 Set DD-RAM Address.
6.2.9 Read Busy Flag and Address.
6.2.10 Write Data to CG or DD-RAM.
6.2.11 Read Data from CG or DD-RAM.................................................................................................... Page - 16
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20T202DA1E (Rev. 3.0)
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