STM32L4.sch 8.1 KB

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  1. EESchema Schematic File Version 4
  2. EELAYER 30 0
  3. EELAYER END
  4. $Descr A4 11693 8268
  5. encoding utf-8
  6. Sheet 1 1
  7. Title ""
  8. Date ""
  9. Rev ""
  10. Comp ""
  11. Comment1 ""
  12. Comment2 ""
  13. Comment3 ""
  14. Comment4 ""
  15. $EndDescr
  16. $Comp
  17. L global:SW_PUSH SW?
  18. U 1 1 5CEF360D
  19. P 1150 4750
  20. AR Path="/5CEE5B5C/5CEF360D" Ref="SW?" Part="1"
  21. AR Path="/5CEF360D" Ref="SW?" Part="1"
  22. F 0 "SW?" H 1300 4860 50 0000 C CNN
  23. F 1 "boot" H 1150 4670 50 0000 C CNN
  24. F 2 "SW:SW" H 1150 4750 50 0001 C CNN
  25. F 3 "" H 1150 4750 50 0000 C CNN
  26. F 4 "200" H -9350 3875 50 0001 C CNN "Partkeepr"
  27. 1 1150 4750
  28. 1 0 0 -1
  29. $EndComp
  30. $Comp
  31. L global:C C?
  32. U 1 1 5CEF361E
  33. P 1150 5000
  34. AR Path="/5CEE5B5C/5CEF361E" Ref="C?" Part="1"
  35. AR Path="/5CEF361E" Ref="C?" Part="1"
  36. F 0 "C?" H 1175 5100 50 0000 L CNN
  37. F 1 "100nF" H 1175 4900 50 0000 L CNN
  38. F 2 "C:0805" H 1188 4850 50 0001 C CNN
  39. F 3 "" H 1150 5000 50 0000 C CNN
  40. F 4 "605" H -9350 3900 50 0001 C CNN "Partkeepr"
  41. 1 1150 5000
  42. 0 1 1 0
  43. $EndComp
  44. Text Label 1600 4750 0 60 ~ 0
  45. GND
  46. $Comp
  47. L global:R R?
  48. U 1 1 5CEF3629
  49. P 1150 4500
  50. AR Path="/5CEE5B5C/5CEF3629" Ref="R?" Part="1"
  51. AR Path="/5CEF3629" Ref="R?" Part="1"
  52. F 0 "R?" V 1230 4500 50 0000 C CNN
  53. F 1 "10K" V 1150 4500 50 0000 C CNN
  54. F 2 "R:0805" V 1080 4500 50 0001 C CNN
  55. F 3 "" H 1150 4500 50 0000 C CNN
  56. F 4 "910" H -9350 3875 50 0001 C CNN "Partkeepr"
  57. 1 1150 4500
  58. 0 1 1 0
  59. $EndComp
  60. Text Label 1600 4500 0 60 ~ 0
  61. 3.3V
  62. Text Label 2200 2200 2 60 ~ 0
  63. nrst
  64. Text Label 4300 1800 0 60 ~ 0
  65. swdio
  66. Text Label 3800 1100 1 60 ~ 0
  67. swclk
  68. $Comp
  69. L global:C C?
  70. U 1 1 5CEF3A85
  71. P 1300 4000
  72. AR Path="/5CEE5B5C/5CEF3A85" Ref="C?" Part="1"
  73. AR Path="/5CEF3A85" Ref="C?" Part="1"
  74. F 0 "C?" H 1325 4100 50 0000 L CNN
  75. F 1 "100nF" H 1325 3900 50 0000 L CNN
  76. F 2 "C:0805" H 1338 3850 50 0001 C CNN
  77. F 3 "" H 1300 4000 50 0000 C CNN
  78. F 4 "605" H -1275 -75 50 0001 C CNN "Partkeepr"
  79. 1 1300 4000
  80. 1 0 0 -1
  81. $EndComp
  82. Text Label 2700 1100 1 60 ~ 0
  83. 3.3V
  84. Text Label 2800 1100 1 60 ~ 0
  85. GND
  86. $Comp
  87. L global:Crystal Y?
  88. U 1 1 5CEF3AA5
  89. P 1450 2050
  90. AR Path="/5CEE5B5C/5CEF3AA5" Ref="Y?" Part="1"
  91. AR Path="/5CEF3AA5" Ref="Y?" Part="1"
  92. F 0 "Y?" H 1450 2200 50 0000 C CNN
  93. F 1 "25Mhz" H 1450 1900 50 0000 C CNN
  94. F 2 "Y:5032" H 1450 2050 50 0001 C CNN
  95. F 3 "" H 1450 2050 50 0000 C CNN
  96. F 4 "1650" H 150 -3150 50 0001 C CNN "Partkeepr"
  97. 1 1450 2050
  98. 0 1 1 0
  99. $EndComp
  100. $Comp
  101. L global:C C?
  102. U 1 1 5CEF3AB1
  103. P 1000 2200
  104. AR Path="/5CEE5B5C/5CEF3AB1" Ref="C?" Part="1"
  105. AR Path="/5CEF3AB1" Ref="C?" Part="1"
  106. F 0 "C?" H 1025 2300 50 0000 L CNN
  107. F 1 "22pF" H 1025 2100 50 0000 L CNN
  108. F 2 "C:0603" H 1038 2050 50 0001 C CNN
  109. F 3 "" H 1000 2200 50 0000 C CNN
  110. F 4 "600" H 125 -3150 50 0001 C CNN "Partkeepr"
  111. 1 1000 2200
  112. 0 1 1 0
  113. $EndComp
  114. $Comp
  115. L global:C C?
  116. U 1 1 5CEF3AB9
  117. P 1000 1900
  118. AR Path="/5CEE5B5C/5CEF3AB9" Ref="C?" Part="1"
  119. AR Path="/5CEF3AB9" Ref="C?" Part="1"
  120. F 0 "C?" H 1025 2000 50 0000 L CNN
  121. F 1 "22pF" H 1025 1800 50 0000 L CNN
  122. F 2 "C:0603" H 1038 1750 50 0001 C CNN
  123. F 3 "" H 1000 1900 50 0000 C CNN
  124. F 4 "600" H 125 -3150 50 0001 C CNN "Partkeepr"
  125. 1 1000 1900
  126. 0 1 1 0
  127. $EndComp
  128. Text Label 850 1900 2 60 ~ 0
  129. GND
  130. Text Label 850 2200 2 60 ~ 0
  131. GND
  132. $Comp
  133. L global:C C?
  134. U 1 1 5CEF3AC5
  135. P 2450 4000
  136. AR Path="/5CEE5B5C/5CEF3AC5" Ref="C?" Part="1"
  137. AR Path="/5CEF3AC5" Ref="C?" Part="1"
  138. F 0 "C?" H 2475 4100 50 0000 L CNN
  139. F 1 "100nF" H 2475 3900 50 0000 L CNN
  140. F 2 "C:0805" H 2488 3850 50 0001 C CNN
  141. F 3 "" H 2450 4000 50 0000 C CNN
  142. F 4 "605" H -1575 -3175 50 0001 C CNN "Partkeepr"
  143. 1 2450 4000
  144. 1 0 0 -1
  145. $EndComp
  146. $Comp
  147. L global:C C?
  148. U 1 1 5CEF3ACE
  149. P 2750 4000
  150. AR Path="/5CEE5B5C/5CEF3ACE" Ref="C?" Part="1"
  151. AR Path="/5CEF3ACE" Ref="C?" Part="1"
  152. F 0 "C?" H 2775 4100 50 0000 L CNN
  153. F 1 "100nF" H 2775 3900 50 0000 L CNN
  154. F 2 "C:0805" H 2788 3850 50 0001 C CNN
  155. F 3 "" H 2750 4000 50 0000 C CNN
  156. F 4 "605" H -2150 -800 50 0001 C CNN "Partkeepr"
  157. 1 2750 4000
  158. 1 0 0 -1
  159. $EndComp
  160. Text Label 4300 1600 0 60 ~ 0
  161. 3.3V
  162. Text Label 4300 1700 0 60 ~ 0
  163. GND
  164. $Comp
  165. L global:C C?
  166. U 1 1 5CEF3AD8
  167. P 2150 4000
  168. AR Path="/5CEE5B5C/5CEF3AD8" Ref="C?" Part="1"
  169. AR Path="/5CEF3AD8" Ref="C?" Part="1"
  170. F 0 "C?" H 2175 4100 50 0000 L CNN
  171. F 1 "100nF" H 2175 3900 50 0000 L CNN
  172. F 2 "C:0805" H 2188 3850 50 0001 C CNN
  173. F 3 "" H 2150 4000 50 0000 C CNN
  174. F 4 "605" H -525 -3125 50 0001 C CNN "Partkeepr"
  175. 1 2150 4000
  176. 1 0 0 -1
  177. $EndComp
  178. Text Label 3800 3200 3 60 ~ 0
  179. 3.3V
  180. Text Label 3700 3200 3 60 ~ 0
  181. GND
  182. $Comp
  183. L global:C C?
  184. U 1 1 5CEF3AE2
  185. P 1850 4000
  186. AR Path="/5CEE5B5C/5CEF3AE2" Ref="C?" Part="1"
  187. AR Path="/5CEF3AE2" Ref="C?" Part="1"
  188. F 0 "C?" H 1875 4100 50 0000 L CNN
  189. F 1 "100nF" H 1875 3900 50 0000 L CNN
  190. F 2 "C:0805" H 1888 3850 50 0001 C CNN
  191. F 3 "" H 1850 4000 50 0000 C CNN
  192. F 4 "605" H 200 -1900 50 0001 C CNN "Partkeepr"
  193. 1 1850 4000
  194. 1 0 0 -1
  195. $EndComp
  196. Text Label 2200 2400 2 60 ~ 0
  197. 3.3V
  198. Text Label 2200 2300 2 60 ~ 0
  199. GND
  200. $Comp
  201. L global:C C?
  202. U 1 1 5CEF3AF0
  203. P 1600 4000
  204. AR Path="/5CEE5B5C/5CEF3AF0" Ref="C?" Part="1"
  205. AR Path="/5CEF3AF0" Ref="C?" Part="1"
  206. F 0 "C?" H 1625 4100 50 0000 L CNN
  207. F 1 "1µF" H 1625 3900 50 0000 L CNN
  208. F 2 "C:0805" H 1638 3850 50 0001 C CNN
  209. F 3 "" H 1600 4000 50 0000 C CNN
  210. F 4 "606" H 225 -1900 50 0001 C CNN "Partkeepr"
  211. 1 1600 4000
  212. 1 0 0 -1
  213. $EndComp
  214. Text Label 850 3850 2 60 ~ 0
  215. 3.3V
  216. Text Label 850 4150 2 60 ~ 0
  217. GND
  218. Text Label 4300 1900 0 60 ~ 0
  219. USB_OTG_FS_P
  220. Text Label 4300 2000 0 60 ~ 0
  221. USB_OTG_FS_N
  222. $Comp
  223. L conn:CONN_01X05 P?
  224. U 1 1 5CEE6B51
  225. P 4850 1100
  226. F 0 "P?" H 4928 1141 50 0000 L CNN
  227. F 1 "CONN_01X05" H 4928 1050 50 0000 L CNN
  228. F 2 "Connector:PinHeader2.54_1X5" H 4927 1004 50 0001 L CNN
  229. F 3 "" H 4850 1100 50 0000 C CNN
  230. F 4 "100" H 4850 1100 50 0001 C CNN "Partkeepr"
  231. 1 4850 1100
  232. 1 0 0 -1
  233. $EndComp
  234. Text Label 4650 900 2 60 ~ 0
  235. 3.3V
  236. Text Label 4650 1100 2 60 ~ 0
  237. GND
  238. Text Label 4650 1300 2 60 ~ 0
  239. nrst
  240. Text Label 4650 1200 2 60 ~ 0
  241. swdio
  242. Text Label 4650 1000 2 60 ~ 0
  243. swclk
  244. Wire Wire Line
  245. 2200 2000 1800 2000
  246. Wire Wire Line
  247. 1450 1900 1800 1900
  248. Wire Wire Line
  249. 1800 1900 1800 2000
  250. Wire Wire Line
  251. 1450 2200 1800 2200
  252. Wire Wire Line
  253. 1800 2200 1800 2100
  254. Wire Wire Line
  255. 1800 2100 2200 2100
  256. Wire Wire Line
  257. 1450 1900 1150 1900
  258. Connection ~ 1450 1900
  259. Wire Wire Line
  260. 1450 2200 1150 2200
  261. Connection ~ 1450 2200
  262. $Comp
  263. L global:C C?
  264. U 1 1 5CEF3B03
  265. P 1000 4000
  266. AR Path="/5CEE5B5C/5CEF3B03" Ref="C?" Part="1"
  267. AR Path="/5CEF3B03" Ref="C?" Part="1"
  268. F 0 "C?" H 1025 4100 50 0000 L CNN
  269. F 1 "4.7µF" H 1025 3900 50 0000 L CNN
  270. F 2 "C:0805" H 1038 3850 50 0001 C CNN
  271. F 3 "" H 1000 4000 50 0000 C CNN
  272. F 4 "607" H 200 -2975 50 0001 C CNN "Partkeepr"
  273. 1 1000 4000
  274. 1 0 0 -1
  275. $EndComp
  276. Wire Wire Line
  277. 2750 3850 2450 3850
  278. Connection ~ 1000 3850
  279. Wire Wire Line
  280. 1000 3850 850 3850
  281. Connection ~ 1300 3850
  282. Wire Wire Line
  283. 1300 3850 1000 3850
  284. Connection ~ 1600 3850
  285. Wire Wire Line
  286. 1600 3850 1300 3850
  287. Connection ~ 1850 3850
  288. Wire Wire Line
  289. 1850 3850 1600 3850
  290. Connection ~ 2150 3850
  291. Wire Wire Line
  292. 2150 3850 1850 3850
  293. Connection ~ 2450 3850
  294. Wire Wire Line
  295. 2450 3850 2150 3850
  296. Wire Wire Line
  297. 2750 4150 2450 4150
  298. Connection ~ 1000 4150
  299. Wire Wire Line
  300. 1000 4150 850 4150
  301. Connection ~ 1300 4150
  302. Wire Wire Line
  303. 1300 4150 1000 4150
  304. Connection ~ 1600 4150
  305. Wire Wire Line
  306. 1600 4150 1300 4150
  307. Connection ~ 1850 4150
  308. Wire Wire Line
  309. 1850 4150 1600 4150
  310. Connection ~ 2150 4150
  311. Wire Wire Line
  312. 2150 4150 1850 4150
  313. Connection ~ 2450 4150
  314. Wire Wire Line
  315. 2450 4150 2150 4150
  316. Text Label 800 4750 2 60 ~ 0
  317. nrst
  318. Wire Wire Line
  319. 1300 4500 1600 4500
  320. Wire Wire Line
  321. 1000 4500 850 4500
  322. Wire Wire Line
  323. 850 4500 850 4750
  324. Wire Wire Line
  325. 800 4750 850 4750
  326. Connection ~ 850 4750
  327. Wire Wire Line
  328. 850 4750 850 5000
  329. Wire Wire Line
  330. 850 5000 1000 5000
  331. Wire Wire Line
  332. 1300 5000 1450 5000
  333. Wire Wire Line
  334. 1450 5000 1450 4750
  335. Wire Wire Line
  336. 1450 4750 1600 4750
  337. Connection ~ 1450 4750
  338. $Comp
  339. L ST:STM32L433Cx U?
  340. U 1 1 5F1F231C
  341. P 3250 2150
  342. F 0 "U?" H 4000 1250 60 0000 L CNN
  343. F 1 "STM32L433Cx" H 3050 2000 60 0000 L CNN
  344. F 2 "" H 3250 2150 60 0001 C CNN
  345. F 3 "" H 3250 2150 60 0001 C CNN
  346. 1 3250 2150
  347. 1 0 0 -1
  348. $EndComp
  349. Text Label 2200 1600 2 60 ~ 0
  350. 3.3V
  351. $EndSCHEMATC