文档介绍：[1] NHD ‐ 0420DZ ‐ NSW ‐ BBW Character Liquid Crystal Display Module NHD ‐? ? Newhaven Display 0420 ‐? ? 4 lines x 20 characters DZ‐? ? Model N‐? ? Transmissive SW ‐? ? Side White LED Backlight B‐? ? STN ‐? Blue ( ‐) B‐? ? 6:00 view W‐? ? Wide Temperature ( ‐ 20°C ~+70°C) pliant Newhaven Display International, Inc. 2511 Technology Drive, Suite 101 Elgin IL, 60124 Ph: 847 ‐ 844 ‐ 8795 Fax: 847 ‐ 844 ‐ 8796 ech@ nhsales@ 芯天下--/ [2] Document Revision History Revision Date Description Changed by 0 10/21/2008 Initial Release ?‐? 1 1/21/2010 User Guide Reformat MC 2 2/25/2010 Updated Mechanical Drawing MC 3 3/19/2010 Updated Mechanical Drawing BE 4 1/6/2011 Updated Controller Information JT 5 5/6/2011 Electrical characteristics updated AK 6 12/5/2011 Mechanical drawing updated AK Functions and Features ? 4 lines x 20 characters ? Built ‐ in controllers (ST7066U) ?+ Power Supply ? 1/16 duty, 1/5 bias ? pliant 芯天下--/ NHD-0420DZ-NSW-BBW AYLPSID N E V A H W E N Mechanical Drawing DB4 12 14 13 DB6 DB5 Vss1 E 7 11 10 8 9 DB3 DB2 DB1 DB0 4 6 5 3 2 R/W RS Vo Vdd DO T SIZE SCA LE 5/1 DB7 A15 *15= 13 .8 ( AA ) ( VA ) 20. 8(AA) 25. 2(VA) 39 .3 16- ? PTH LE D B/L MAX K16 4- ? PT H 4- ? PAD 1 16 The non-s pec