RoHS Compliant VACUUM FLUORESCENT DISPLAY MODULE SPECIFICATION MODEL CU20025-UW1J SPECIFICATION NO. : DS-1515-0000-02 D A T E O F I S S U E : March 27, 2008 (00R) R E V I S I O N : September 4, 2009 (00) : May 25, 2010 (01) : September 28, 2015 (02) : PUBLISHED BY NORITAKE ITRON CORP. / JAPAN CU20025-UW1J Index 1 General Description ......................................................................................................................................................................... 2 1.1 Application.................................................................................................................................................................................. 2 1.2 Construction ................................................................................................................................................................................ 2 1.3 Scope........................................................................................................................................................................................... 2 1.4 Weight ......................................................................................................................................................................................... 2 2 Absolute Maximum Ratings ............................................................................................................................................................ 2 3 Electrical Ratings ............................................................................................................................................................................. 2 4 Electrical Characteristics ................................................................................................................................................................. 3 5 Optical Characteristics ..................................................................................................................................................................... 3 6 Environmental Conditions ............................................................................................................................................................... 3 7 Functional Descriptions ................................................................................................................................................................... 4 7.1 Instruction table .......................................................................................................................................................................... 4 7.2 Display Clear .............................................................................................................................................................................. 6 7.3 Cursor Home ............................................................................................................................................................................... 6 7.4 Entry Mode Set ........................................................................................................................................................................... 6 7.5 Display ON/OFF ......................................................................................................................................................................... 7 7.6 Cursor/Display Shift ................................................................................................................................................................... 8 7.7 Function Set ................................................................................................................................................................................ 8 7.7.1 Function Set Command .......................................................................................................................................................... 8 7.7.2 Brightness Control.................................................................................................................................................................. 9 7.8 Set CG RAM Address ................................................................................................................................................................. 9 7.9 Set DD RAM Address ................................................................................................................................................................. 9 7.10 Write Data ................................................................................................................................................................................. 10 7.11 Read Data .................................................................................................................................................................................. 10 7.12 Read Busy Flag/Address Counter ............................................................................................................................................. 10 8 Other features ................................................................................................................................................................................ 11 8.1 CG RAM ................................................................................................................................................................................... 11 8.2 Power-on reset .......................................................................................................................................................................... 12 8.3 CPU interface ............................................................................................................................................................................ 12 8.3.1 Select CPU ........................................................................................................................................................................... 12 8.3.2 4-bit CPU interface ............................................................................................................................................................... 12 8.3.3 Serial data transfer ................................................................................................................................................................ 13 8.4 Jumper ....................................................................................................................................................................................... 14 9 Character Font ............................................................................................................................................................................... 15 9.1 Katakana character font ............................................................................................................................................................. 15 9.2 International character font ....................................................................................................................................................... 16 10 Timing ........................................................................................................................................................................................... 17 10.1 CPU bus write timing (Parallel interface i80 type) ................................................................................................................... 17 10.2 CPU bus read timing (Parallel interface i80 type) ..................................................................................................................... 17 10.3 CPU bus write timing (Parallel interface M68 type) ................................................................................................................. 18 10.4 CPU bus read timing (Parallel interface M68 type) .................................................................................................................. 18 10.5 Write timing (Serial interface) .................................................................................................................................................. 19 10.6 Read timing (Serial interface) ................................................................................................................................................... 19 11 Connector Pin assignment ............................................................................................................................................................. 20 11.1 14pin Connector (CN1) for parallel interface ........................................................................................................................... 20 11.2 6pin Connector (CN3) for serial interface ................................................................................................................................. 20 12 Outline dimension ......................................................................................................................................................................... 21 Notice for the Cautious Handling VFD Modules ............................................................................................................................. 22 Revision Note .......................................................................................................................................................................................... 23 1