HD44780.sch 4.4 KB

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  1. EESchema Schematic File Version 4
  2. LIBS:HD44780-cache
  3. EELAYER 26 0
  4. EELAYER END
  5. $Descr A4 11693 8268
  6. encoding utf-8
  7. Sheet 1 1
  8. Title ""
  9. Date ""
  10. Rev ""
  11. Comp ""
  12. Comment1 ""
  13. Comment2 ""
  14. Comment3 ""
  15. Comment4 ""
  16. $EndDescr
  17. Text Label 1750 850 2 60 ~ 0
  18. GND
  19. Text Label 1750 1150 2 60 ~ 0
  20. RS_OUT
  21. Text Label 1750 1250 2 60 ~ 0
  22. R/W_OUT
  23. Text Label 1750 1350 2 60 ~ 0
  24. E_OUT
  25. Text Label 2550 1350 0 60 ~ 0
  26. D4_OUT
  27. Text Label 2550 1250 0 60 ~ 0
  28. D5_OUT
  29. Text Label 2550 1150 0 60 ~ 0
  30. D6_OUT
  31. Text Label 2550 1050 0 60 ~ 0
  32. D7_OUT
  33. Text Label 2550 850 0 60 ~ 0
  34. GND
  35. $Comp
  36. L global:R R?
  37. U 1 1 5E4402D7
  38. P 2850 950
  39. F 0 "R?" V 2930 950 50 0000 C CNN
  40. F 1 "100" V 2850 950 50 0000 C CNN
  41. F 2 "R:0805" V 2780 950 50 0001 C CNN
  42. F 3 "" H 2850 950 50 0000 C CNN
  43. F 4 "912" H -7950 -9350 50 0001 C CNN "Partkeepr"
  44. 1 2850 950
  45. 0 1 1 0
  46. $EndComp
  47. Wire Wire Line
  48. 2700 950 2550 950
  49. Text Notes 2000 600 0 60 ~ 0
  50. Ecran
  51. $Comp
  52. L afficheur:HD44780 U?
  53. U 1 1 5E4402E2
  54. P 2150 1200
  55. F 0 "U?" H 2300 750 60 0000 C CNN
  56. F 1 "HD44780" H 2150 1650 60 0000 C CNN
  57. F 2 "Connector:PinHeader2.54_1X16" H 1950 1250 60 0001 C CNN
  58. F 3 "" H 1950 1250 60 0001 C CNN
  59. F 4 "100" H -7950 -9350 50 0001 C CNN "Partkeepr"
  60. 1 2150 1200
  61. 1 0 0 -1
  62. $EndComp
  63. Text Label 1250 1200 3 60 ~ 0
  64. GND
  65. $Comp
  66. L global:Poten VR?
  67. U 1 1 5E4402EB
  68. P 1250 1050
  69. F 0 "VR?" V 1330 1050 50 0000 C CNN
  70. F 1 "10K" V 1250 1050 50 0000 C CNN
  71. F 2 "R:3296" V 1180 1050 50 0001 C CNN
  72. F 3 "" H 1250 1050 50 0000 C CNN
  73. F 4 "NC" H -7975 -9350 50 0001 C CNN "Partkeepr"
  74. 1 1250 1050
  75. -1 0 0 1
  76. $EndComp
  77. Text Label 1750 950 2 60 ~ 0
  78. 5V
  79. Text Label 3000 950 0 60 ~ 0
  80. 5V
  81. Text Label 1250 900 1 60 ~ 0
  82. 5V
  83. Wire Wire Line
  84. 1400 1050 1750 1050
  85. $Comp
  86. L global:R R?
  87. U 1 1 5E4402F7
  88. P 2700 1450
  89. F 0 "R?" V 2600 1450 50 0000 C CNN
  90. F 1 "100K" V 2700 1450 50 0000 C CNN
  91. F 2 "R:0805" V 2630 1450 50 0001 C CNN
  92. F 3 "" H 2700 1450 50 0000 C CNN
  93. F 4 "0916" H -7950 -9350 50 0001 C CNN "Partkeepr"
  94. 1 2700 1450
  95. 0 1 1 0
  96. $EndComp
  97. $Comp
  98. L global:R R?
  99. U 1 1 5E4402FF
  100. P 2700 1550
  101. F 0 "R?" V 2600 1550 50 0000 C CNN
  102. F 1 "100K" V 2700 1550 50 0000 C CNN
  103. F 2 "R:0805" V 2630 1550 50 0001 C CNN
  104. F 3 "" H 2700 1550 50 0000 C CNN
  105. F 4 "0916" H -7950 -9350 50 0001 C CNN "Partkeepr"
  106. 1 2700 1550
  107. 0 -1 -1 0
  108. $EndComp
  109. $Comp
  110. L global:R R?
  111. U 1 1 5E440307
  112. P 1600 1550
  113. F 0 "R?" V 1500 1550 50 0000 C CNN
  114. F 1 "100K" V 1600 1550 50 0000 C CNN
  115. F 2 "R:0805" V 1530 1550 50 0001 C CNN
  116. F 3 "" H 1600 1550 50 0000 C CNN
  117. F 4 "0916" H -7950 -9350 50 0001 C CNN "Partkeepr"
  118. 1 1600 1550
  119. 0 -1 -1 0
  120. $EndComp
  121. $Comp
  122. L global:R R?
  123. U 1 1 5E44030F
  124. P 1600 1450
  125. F 0 "R?" V 1500 1450 50 0000 C CNN
  126. F 1 "100K" V 1600 1450 50 0000 C CNN
  127. F 2 "R:0805" V 1530 1450 50 0001 C CNN
  128. F 3 "" H 1600 1450 50 0000 C CNN
  129. F 4 "0916" H -7950 -9350 50 0001 C CNN "Partkeepr"
  130. 1 1600 1450
  131. 0 1 1 0
  132. $EndComp
  133. Text Label 2850 1450 0 60 ~ 0
  134. GND
  135. Text Label 2850 1550 0 60 ~ 0
  136. GND
  137. Text Label 1450 1450 2 60 ~ 0
  138. GND
  139. Text Label 1450 1550 2 60 ~ 0
  140. GND
  141. $Comp
  142. L NXP:74HC541 U?
  143. U 1 1 5E467B19
  144. P 4050 1350
  145. F 0 "U?" H 4050 2065 50 0000 C CNN
  146. F 1 "74HC541" H 4050 1974 50 0000 C CNN
  147. F 2 "" H 4050 1350 50 0001 C CNN
  148. F 3 "" H 4050 1350 50 0001 C CNN
  149. F 4 "1502" H 4050 1350 50 0001 C CNN "Partkeepr"
  150. 1 4050 1350
  151. 1 0 0 -1
  152. $EndComp
  153. Text Label 4450 1100 0 60 ~ 0
  154. RS_OUT
  155. Text Label 4450 1200 0 60 ~ 0
  156. R/W_OUT
  157. Text Label 4450 1300 0 60 ~ 0
  158. E_OUT
  159. Text Label 4450 1400 0 60 ~ 0
  160. D4_OUT
  161. Text Label 4450 1500 0 60 ~ 0
  162. D5_OUT
  163. Text Label 4450 1600 0 60 ~ 0
  164. D6_OUT
  165. Text Label 4450 1700 0 60 ~ 0
  166. D7_OUT
  167. Text Label 3650 1000 2 60 ~ 0
  168. RS
  169. Text Label 3650 1100 2 60 ~ 0
  170. R/W
  171. Text Label 3650 1200 2 60 ~ 0
  172. E
  173. Text Label 3650 1300 2 60 ~ 0
  174. D4
  175. Text Label 3650 1400 2 60 ~ 0
  176. D5
  177. Text Label 3650 1500 2 60 ~ 0
  178. D6
  179. Text Label 3650 1600 2 60 ~ 0
  180. D7
  181. NoConn ~ 4450 1800
  182. NoConn ~ 3650 1700
  183. Text Label 3650 1800 2 60 ~ 0
  184. GND
  185. Text Label 4450 900 0 60 ~ 0
  186. 5V
  187. $Comp
  188. L global:C C?
  189. U 1 1 5E46974D
  190. P 4000 2200
  191. F 0 "C?" V 4150 2200 50 0000 C CNN
  192. F 1 "0.1µF" V 3850 2200 50 0000 C CNN
  193. F 2 "" H 4038 2050 50 0000 C CNN
  194. F 3 "" H 4000 2200 50 0000 C CNN
  195. F 4 "0605" H 4000 2200 50 0001 C CNN "Partkeepr"
  196. 1 4000 2200
  197. 0 1 1 0
  198. $EndComp
  199. Text Label 3650 900 2 60 ~ 0
  200. GND
  201. Text Label 4450 1000 0 60 ~ 0
  202. GND
  203. Text Label 4150 2200 0 60 ~ 0
  204. 5V
  205. Text Label 3850 2200 2 60 ~ 0
  206. GND
  207. $EndSCHEMATC