文档介绍：[1] NHD ‐ 0220FZ ‐ FSW ‐ GBW ‐ P ‐ 3V3 Character Liquid Crystal Display Module NHD ‐? ? Newhaven Display 0220 ‐? ? 2 lines x 20 characters FZ‐? ? Model F‐? ? Transflective SW ‐? ? Side White LED Backlight G‐? ? STN ‐? Gray B‐? ? 6:00 view W‐? ? Wide Temperature ( ‐ 20°C ~ +70°C) P‐? ? Header Pins 3V3 ‐? ? , Backlight 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 11/13/2008 Initial Release ?‐? 1 1/18/2010 User Guide Reformat BE 2 6/3/2010 Character code update BE 3 1/7/2011 Alternate controller information updated AK 4 5/5/2011 Electrical characteristics updated AK Functions and Features ? 2 lines x 20 characters ? Built ‐ in controller (SPLC780D or ST7066U) ?+ Power Supply ? 1/16 duty, 1/5 bias ? pliant 芯天下--/ Mechanical Drawing PIN ASSIGNMENT 3 4 1 2 VSS VDD V0 RS RW 5 E 6 DB0~DB7 7~14 LED+ 15 LED- 16 NHD- 0220FZ-F S W-GBW - P-3V 3 WIT HOUT BKL SI DE BK L 4. 0 T1 8. 0 T2 mm UNIT LED+ LED- 19 20 17 18 VSS VDD V0 RS RW 21 E 22 23 ~26 DB4~DB7 27 28 LED+ LED- Newhaven Display ST7066U 芯天下--/ [4] Pin Description and Wiring Diagram Pin No. Symbol External Connection Function Description 1 VSS Power Supply Ground 2 VDD Power Supply Supply Voltage for logic (+) 3