memory.sch 16 KB

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  1. EESchema Schematic File Version 2 date Fri 09 Dec 2011 10:46:05 PM CET
  2. LIBS:power
  3. LIBS:device
  4. LIBS:transistors
  5. LIBS:conn
  6. LIBS:linear
  7. LIBS:regul
  8. LIBS:74xx
  9. LIBS:cmos4000
  10. LIBS:adc-dac
  11. LIBS:memory
  12. LIBS:xilinx
  13. LIBS:special
  14. LIBS:microcontrollers
  15. LIBS:dsp
  16. LIBS:microchip
  17. LIBS:analog_switches
  18. LIBS:motorola
  19. LIBS:texas
  20. LIBS:intel
  21. LIBS:audio
  22. LIBS:interface
  23. LIBS:digital-audio
  24. LIBS:philips
  25. LIBS:display
  26. LIBS:cypress
  27. LIBS:siliconi
  28. LIBS:opto
  29. LIBS:atmel
  30. LIBS:contrib
  31. LIBS:valves
  32. LIBS:snescart
  33. LIBS:misc-74
  34. LIBS:vreg
  35. LIBS:lpc1754
  36. LIBS:sd_card
  37. LIBS:cy62148ev30
  38. LIBS:mt45w8mw16
  39. LIBS:cs4344
  40. LIBS:double_sch_kcom
  41. LIBS:usb_minib
  42. LIBS:mic23250
  43. LIBS:sd2snes-cache
  44. EELAYER 25 0
  45. EELAYER END
  46. $Descr A4 11700 8267
  47. encoding utf-8
  48. Sheet 3 6
  49. Title "sd2snes Mark II"
  50. Date "9 dec 2011"
  51. Rev "C"
  52. Comp "Maximilian Rehkopf"
  53. Comment1 ""
  54. Comment2 ""
  55. Comment3 ""
  56. Comment4 ""
  57. $EndDescr
  58. Text Label 7650 2000 0 50 ~ 0
  59. SRAM_Vcc
  60. Wire Wire Line
  61. 7650 4750 7650 5000
  62. Wire Wire Line
  63. 8350 5050 8350 5250
  64. Wire Wire Line
  65. 8350 5250 8500 5250
  66. Connection ~ 9150 5250
  67. Wire Wire Line
  68. 9150 5450 9150 5250
  69. Connection ~ 9600 2000
  70. Wire Wire Line
  71. 9600 2000 9600 3350
  72. Wire Wire Line
  73. 10500 2000 10350 2000
  74. Wire Wire Line
  75. 8400 1400 8400 1600
  76. Wire Wire Line
  77. 8400 1600 8050 1600
  78. Wire Wire Line
  79. 6800 4350 6300 4350
  80. Wire Wire Line
  81. 6800 4250 6300 4250
  82. Wire Wire Line
  83. 6800 4150 6300 4150
  84. Wire Wire Line
  85. 6800 4050 6300 4050
  86. Wire Wire Line
  87. 6800 3950 6300 3950
  88. Wire Wire Line
  89. 6800 3850 6300 3850
  90. Wire Wire Line
  91. 6800 3750 6300 3750
  92. Wire Wire Line
  93. 6800 3650 6300 3650
  94. Wire Wire Line
  95. 6800 3550 6300 3550
  96. Wire Wire Line
  97. 6800 3450 6300 3450
  98. Wire Wire Line
  99. 6800 3350 6300 3350
  100. Wire Wire Line
  101. 6800 3250 6300 3250
  102. Wire Wire Line
  103. 6800 3150 6300 3150
  104. Wire Wire Line
  105. 6800 3050 6300 3050
  106. Wire Wire Line
  107. 6800 2950 6300 2950
  108. Wire Wire Line
  109. 6800 2850 6300 2850
  110. Wire Wire Line
  111. 6800 2750 6300 2750
  112. Wire Wire Line
  113. 6800 2650 6300 2650
  114. Wire Wire Line
  115. 6800 2550 6300 2550
  116. Wire Wire Line
  117. 8500 3950 9000 3950
  118. Wire Wire Line
  119. 4750 4750 4250 4750
  120. Wire Wire Line
  121. 4250 4650 4750 4650
  122. Wire Wire Line
  123. 4250 4350 4750 4350
  124. Wire Wire Line
  125. 4250 4150 4750 4150
  126. Wire Wire Line
  127. 4250 4050 4750 4050
  128. Wire Wire Line
  129. 4250 3750 4750 3750
  130. Wire Wire Line
  131. 4250 3650 4750 3650
  132. Wire Wire Line
  133. 4250 3550 4750 3550
  134. Wire Wire Line
  135. 4250 3450 4750 3450
  136. Wire Wire Line
  137. 4250 3350 4750 3350
  138. Wire Wire Line
  139. 4250 3250 4750 3250
  140. Wire Wire Line
  141. 4250 3150 4750 3150
  142. Wire Wire Line
  143. 4250 3050 4750 3050
  144. Wire Wire Line
  145. 4250 2850 4750 2850
  146. Wire Wire Line
  147. 4250 2750 4750 2750
  148. Wire Wire Line
  149. 4250 2650 4750 2650
  150. Wire Wire Line
  151. 4250 2550 4750 2550
  152. Wire Wire Line
  153. 4250 2450 4750 2450
  154. Wire Wire Line
  155. 4250 2350 4750 2350
  156. Wire Wire Line
  157. 4250 2250 4750 2250
  158. Wire Wire Line
  159. 4250 2150 4750 2150
  160. Wire Wire Line
  161. 3550 6800 3550 6700
  162. Wire Wire Line
  163. 3400 5400 3400 5300
  164. Wire Wire Line
  165. 3300 5150 3300 5300
  166. Wire Wire Line
  167. 3300 1750 3300 1550
  168. Connection ~ 7650 2000
  169. Wire Wire Line
  170. 3500 1750 3500 1550
  171. Wire Wire Line
  172. 3500 5150 3500 5300
  173. Wire Wire Line
  174. 3500 5300 3300 5300
  175. Connection ~ 3400 5300
  176. Wire Wire Line
  177. 3550 7200 3550 7300
  178. Wire Wire Line
  179. 3250 7200 3250 7300
  180. Wire Wire Line
  181. 3250 6700 3250 6800
  182. Wire Wire Line
  183. 2550 2150 2050 2150
  184. Wire Wire Line
  185. 2550 2250 2050 2250
  186. Wire Wire Line
  187. 2550 2350 2050 2350
  188. Wire Wire Line
  189. 2550 2450 2050 2450
  190. Wire Wire Line
  191. 2550 2550 2050 2550
  192. Wire Wire Line
  193. 2550 2650 2050 2650
  194. Wire Wire Line
  195. 2550 2750 2050 2750
  196. Wire Wire Line
  197. 2550 2850 2050 2850
  198. Wire Wire Line
  199. 2550 2950 2050 2950
  200. Wire Wire Line
  201. 2550 3050 2050 3050
  202. Wire Wire Line
  203. 2550 3150 2050 3150
  204. Wire Wire Line
  205. 2550 3250 2050 3250
  206. Wire Wire Line
  207. 2550 3350 2050 3350
  208. Wire Wire Line
  209. 2550 3450 2050 3450
  210. Wire Wire Line
  211. 2550 3550 2050 3550
  212. Wire Wire Line
  213. 2550 3650 2050 3650
  214. Wire Wire Line
  215. 2550 3750 2050 3750
  216. Wire Wire Line
  217. 2550 3850 2050 3850
  218. Wire Wire Line
  219. 2550 3950 2050 3950
  220. Wire Wire Line
  221. 2550 4050 2050 4050
  222. Wire Wire Line
  223. 2550 4150 2050 4150
  224. Wire Wire Line
  225. 2550 4250 2050 4250
  226. Wire Wire Line
  227. 2550 4350 2050 4350
  228. Wire Wire Line
  229. 2550 4650 2050 4650
  230. Wire Wire Line
  231. 2550 4750 2050 4750
  232. Wire Wire Line
  233. 2550 4550 2050 4550
  234. Wire Wire Line
  235. 8500 4050 9000 4050
  236. Connection ~ 4750 4750
  237. Wire Wire Line
  238. 4750 4350 4750 5400
  239. Connection ~ 4750 4650
  240. Wire Wire Line
  241. 8500 2550 9000 2550
  242. Wire Wire Line
  243. 8500 2650 9000 2650
  244. Wire Wire Line
  245. 8500 2750 9000 2750
  246. Wire Wire Line
  247. 8500 2850 9000 2850
  248. Wire Wire Line
  249. 8500 2950 9000 2950
  250. Wire Wire Line
  251. 8500 3050 9000 3050
  252. Wire Wire Line
  253. 8500 3150 9000 3150
  254. Wire Wire Line
  255. 8500 3250 9000 3250
  256. Wire Wire Line
  257. 7250 1600 6900 1600
  258. Wire Wire Line
  259. 6900 1600 6900 1400
  260. Wire Wire Line
  261. 8500 3850 9600 3850
  262. Wire Wire Line
  263. 9600 3850 9600 5050
  264. Wire Wire Line
  265. 9000 5250 9300 5250
  266. Wire Wire Line
  267. 9150 5950 9150 6050
  268. Wire Wire Line
  269. 9150 6050 9600 6050
  270. Wire Wire Line
  271. 9600 6350 9600 5450
  272. Connection ~ 9600 6050
  273. Wire Wire Line
  274. 7650 2150 7650 1800
  275. Wire Wire Line
  276. 9950 2000 7650 2000
  277. $Comp
  278. L CY62148EV30-ZSXI U511
  279. U 1 1 4D49598F
  280. P 7650 3450
  281. F 0 "U511" H 7650 3550 60 0000 C CNN
  282. F 1 "CY62148EV30-ZSXI" H 7700 3450 60 0000 C CNN
  283. 1 7650 3450
  284. 1 0 0 -1
  285. $EndComp
  286. Text Notes 7050 7000 0 250 ~ 50
  287. Memory
  288. Text Notes 7300 1300 0 50 ~ 0
  289. SRAM battery power
  290. Text Notes 9800 5300 0 50 ~ 0
  291. Battery power OE switch
  292. $Comp
  293. L +3.3V #PWR031
  294. U 1 1 4BF2FE97
  295. P 8350 5050
  296. F 0 "#PWR031" H 8350 5010 30 0001 C CNN
  297. F 1 "+3.3V" H 8350 5160 30 0000 C CNN
  298. 1 8350 5050
  299. 1 0 0 -1
  300. $EndComp
  301. $Comp
  302. L GND #PWR032
  303. U 1 1 4BF2FE7B
  304. P 9600 6350
  305. F 0 "#PWR032" H 9600 6350 30 0001 C CNN
  306. F 1 "GND" H 9600 6280 30 0001 C CNN
  307. 1 9600 6350
  308. 1 0 0 -1
  309. $EndComp
  310. $Comp
  311. L R R511
  312. U 1 1 4BF2FDAF
  313. P 9600 3600
  314. F 0 "R511" V 9680 3600 50 0000 C CNN
  315. F 1 "20k" V 9600 3600 50 0000 C CNN
  316. F 2 "SM0805_FIXEDMASK" H 9600 3600 60 0001 C CNN
  317. 1 9600 3600
  318. 1 0 0 -1
  319. $EndComp
  320. $Comp
  321. L R R513
  322. U 1 1 4BF2FDAC
  323. P 9150 5700
  324. F 0 "R513" V 9230 5700 50 0000 C CNN
  325. F 1 "100k" V 9150 5700 50 0000 C CNN
  326. F 2 "SM0805_FIXEDMASK" H 9150 5700 60 0001 C CNN
  327. 1 9150 5700
  328. 1 0 0 -1
  329. $EndComp
  330. $Comp
  331. L R R512
  332. U 1 1 4BF2FDA9
  333. P 8750 5250
  334. F 0 "R512" V 8830 5250 50 0000 C CNN
  335. F 1 "4k7" V 8750 5250 50 0000 C CNN
  336. F 2 "SM0805_FIXEDMASK" H 8750 5250 60 0001 C CNN
  337. 1 8750 5250
  338. 0 1 1 0
  339. $EndComp
  340. $Comp
  341. L NPN Q511
  342. U 1 1 4BF2FD9F
  343. P 9500 5250
  344. F 0 "Q511" H 9500 5100 50 0000 R CNN
  345. F 1 "2N2222A" H 9500 5400 50 0000 R CNN
  346. F 2 "SOT23EBC" H 9500 5250 60 0001 C CNN
  347. 1 9500 5250
  348. 1 0 0 -1
  349. $EndComp
  350. $Comp
  351. L GND #PWR033
  352. U 1 1 4BF1A006
  353. P 10500 2000
  354. F 0 "#PWR033" H 10500 2000 30 0001 C CNN
  355. F 1 "GND" H 10500 1930 30 0001 C CNN
  356. 1 10500 2000
  357. 0 -1 -1 0
  358. $EndComp
  359. $Comp
  360. L +BATT #PWR034
  361. U 1 1 4BF19EA4
  362. P 8400 1400
  363. F 0 "#PWR034" H 8400 1350 20 0001 C CNN
  364. F 1 "+BATT" H 8400 1500 30 0000 C CNN
  365. 1 8400 1400
  366. 1 0 0 -1
  367. $EndComp
  368. $Comp
  369. L +3.3V #PWR035
  370. U 1 1 4BF19E7A
  371. P 6900 1400
  372. F 0 "#PWR035" H 6900 1360 30 0001 C CNN
  373. F 1 "+3.3V" H 6900 1510 30 0000 C CNN
  374. 1 6900 1400
  375. 1 0 0 -1
  376. $EndComp
  377. $Comp
  378. L DOUBLE_SCH_KCOM2 D511
  379. U 1 1 4BF19DCA
  380. P 7650 1600
  381. F 0 "D511" H 7800 1475 60 0000 C CNN
  382. F 1 "BAT54C" H 7650 1750 60 0000 C CNN
  383. F 2 "SOT23EBC" H 7650 1600 60 0001 C CNN
  384. 1 7650 1600
  385. 1 0 0 -1
  386. $EndComp
  387. Text Label 8600 4050 0 50 ~ 0
  388. RAM_/WE
  389. Text Label 8600 3950 0 50 ~ 0
  390. RAM_/OE
  391. Text Label 8600 3850 0 50 ~ 0
  392. RAM_/CE
  393. Text Label 8600 3250 0 50 ~ 0
  394. RAM_DQ7
  395. Text Label 8600 3150 0 50 ~ 0
  396. RAM_DQ6
  397. Text Label 8600 3050 0 50 ~ 0
  398. RAM_DQ5
  399. Text Label 8600 2950 0 50 ~ 0
  400. RAM_DQ4
  401. Text Label 8600 2850 0 50 ~ 0
  402. RAM_DQ3
  403. Text Label 8600 2750 0 50 ~ 0
  404. RAM_DQ2
  405. Text Label 8600 2650 0 50 ~ 0
  406. RAM_DQ1
  407. Text Label 8600 2550 0 50 ~ 0
  408. RAM_DQ0
  409. Text Label 6400 4350 0 50 ~ 0
  410. RAM_A18
  411. Text Label 6400 4250 0 50 ~ 0
  412. RAM_A17
  413. Text Label 6400 4150 0 50 ~ 0
  414. RAM_A16
  415. Text Label 6400 4050 0 50 ~ 0
  416. RAM_A15
  417. Text Label 6400 3950 0 50 ~ 0
  418. RAM_A14
  419. Text Label 6400 3850 0 50 ~ 0
  420. RAM_A13
  421. Text Label 6400 3750 0 50 ~ 0
  422. RAM_A12
  423. Text Label 6400 3650 0 50 ~ 0
  424. RAM_A11
  425. Text Label 6400 3550 0 50 ~ 0
  426. RAM_A10
  427. Text Label 6400 3450 0 50 ~ 0
  428. RAM_A9
  429. Text Label 6400 3350 0 50 ~ 0
  430. RAM_A8
  431. Text Label 6400 3250 0 50 ~ 0
  432. RAM_A7
  433. Text Label 6400 3150 0 50 ~ 0
  434. RAM_A6
  435. Text Label 6400 3050 0 50 ~ 0
  436. RAM_A5
  437. Text Label 6400 2950 0 50 ~ 0
  438. RAM_A4
  439. Text Label 6400 2850 0 50 ~ 0
  440. RAM_A3
  441. Text Label 6400 2750 0 50 ~ 0
  442. RAM_A2
  443. Text Label 6400 2650 0 50 ~ 0
  444. RAM_A1
  445. Text Label 6400 2550 0 50 ~ 0
  446. RAM_A0
  447. Text Label 4350 4150 0 50 ~ 0
  448. ROM_/UB
  449. Text Label 4350 4050 0 50 ~ 0
  450. ROM_/LB
  451. Text Label 4350 3750 0 50 ~ 0
  452. ROM_DQ15
  453. Text Label 4350 3650 0 50 ~ 0
  454. ROM_DQ14
  455. Text Label 4350 3550 0 50 ~ 0
  456. ROM_DQ13
  457. Text Label 4350 3450 0 50 ~ 0
  458. ROM_DQ12
  459. Text Label 4350 3350 0 50 ~ 0
  460. ROM_DQ11
  461. Text Label 4350 3250 0 50 ~ 0
  462. ROM_DQ10
  463. Text Label 4350 3150 0 50 ~ 0
  464. ROM_DQ9
  465. Text Label 4350 3050 0 50 ~ 0
  466. ROM_DQ8
  467. Text Label 4350 2850 0 50 ~ 0
  468. ROM_DQ7
  469. Text Label 4350 2750 0 50 ~ 0
  470. ROM_DQ6
  471. Text Label 4350 2650 0 50 ~ 0
  472. ROM_DQ5
  473. Text Label 4350 2550 0 50 ~ 0
  474. ROM_DQ4
  475. Text Label 4350 2450 0 50 ~ 0
  476. ROM_DQ3
  477. Text Label 4350 2350 0 50 ~ 0
  478. ROM_DQ2
  479. Text Label 4350 2250 0 50 ~ 0
  480. ROM_DQ1
  481. Text Label 4350 2150 0 50 ~ 0
  482. ROM_DQ0
  483. Text Label 2100 4750 0 50 ~ 0
  484. ROM_/WE
  485. Text Label 2100 4650 0 50 ~ 0
  486. ROM_/OE
  487. Text Label 2100 4550 0 50 ~ 0
  488. ROM_/CE
  489. Text Label 2100 4350 0 50 ~ 0
  490. ROM_A22
  491. Text Label 2100 4250 0 50 ~ 0
  492. ROM_A21
  493. Text Label 2100 4150 0 50 ~ 0
  494. ROM_A20
  495. Text Label 2100 4050 0 50 ~ 0
  496. ROM_A19
  497. Text Label 2100 3950 0 50 ~ 0
  498. ROM_A18
  499. Text Label 2100 3850 0 50 ~ 0
  500. ROM_A17
  501. Text Label 2100 3750 0 50 ~ 0
  502. ROM_A16
  503. Text Label 2100 3650 0 50 ~ 0
  504. ROM_A15
  505. Text Label 2100 3550 0 50 ~ 0
  506. ROM_A14
  507. Text Label 2100 3450 0 50 ~ 0
  508. ROM_A13
  509. Text Label 2100 3350 0 50 ~ 0
  510. ROM_A12
  511. Text Label 2100 3250 0 50 ~ 0
  512. ROM_A11
  513. Text Label 2100 3150 0 50 ~ 0
  514. ROM_A10
  515. Text Label 2100 3050 0 50 ~ 0
  516. ROM_A9
  517. Text Label 2100 2950 0 50 ~ 0
  518. ROM_A8
  519. Text Label 2100 2850 0 50 ~ 0
  520. ROM_A7
  521. Text Label 2100 2750 0 50 ~ 0
  522. ROM_A6
  523. Text Label 2100 2650 0 50 ~ 0
  524. ROM_A5
  525. Text Label 2100 2550 0 50 ~ 0
  526. ROM_A4
  527. Text Label 2100 2450 0 50 ~ 0
  528. ROM_A3
  529. Text Label 2100 2350 0 50 ~ 0
  530. ROM_A2
  531. Text Label 2100 2250 0 50 ~ 0
  532. ROM_A1
  533. Text Label 2100 2150 0 50 ~ 0
  534. ROM_A0
  535. Text GLabel 2050 4550 0 50 Input ~ 0
  536. ROM_/CE
  537. Text GLabel 9000 4050 2 50 Input ~ 0
  538. RAM_/WE
  539. Text GLabel 9000 3950 2 50 Input ~ 0
  540. RAM_/OE
  541. Text GLabel 9000 3250 2 50 BiDi ~ 0
  542. RAM_DQ7
  543. Text GLabel 9000 3150 2 50 BiDi ~ 0
  544. RAM_DQ6
  545. Text GLabel 9000 3050 2 50 BiDi ~ 0
  546. RAM_DQ5
  547. Text GLabel 9000 2950 2 50 BiDi ~ 0
  548. RAM_DQ4
  549. Text GLabel 9000 2850 2 50 BiDi ~ 0
  550. RAM_DQ3
  551. Text GLabel 9000 2750 2 50 BiDi ~ 0
  552. RAM_DQ2
  553. Text GLabel 9000 2650 2 50 BiDi ~ 0
  554. RAM_DQ1
  555. Text GLabel 9000 2550 2 50 BiDi ~ 0
  556. RAM_DQ0
  557. Text GLabel 6300 4350 0 50 Input ~ 0
  558. RAM_A18
  559. Text GLabel 6300 4250 0 50 Input ~ 0
  560. RAM_A17
  561. Text GLabel 6300 4150 0 50 Input ~ 0
  562. RAM_A16
  563. Text GLabel 6300 4050 0 50 Input ~ 0
  564. RAM_A15
  565. Text GLabel 6300 3950 0 50 Input ~ 0
  566. RAM_A14
  567. Text GLabel 6300 3850 0 50 Input ~ 0
  568. RAM_A13
  569. Text GLabel 6300 3750 0 50 Input ~ 0
  570. RAM_A12
  571. Text GLabel 6300 3650 0 50 Input ~ 0
  572. RAM_A11
  573. Text GLabel 6300 3550 0 50 Input ~ 0
  574. RAM_A10
  575. Text GLabel 6300 3450 0 50 Input ~ 0
  576. RAM_A9
  577. Text GLabel 6300 3350 0 50 Input ~ 0
  578. RAM_A8
  579. Text GLabel 6300 3250 0 50 Input ~ 0
  580. RAM_A7
  581. Text GLabel 6300 3150 0 50 Input ~ 0
  582. RAM_A6
  583. Text GLabel 6300 3050 0 50 Input ~ 0
  584. RAM_A5
  585. Text GLabel 6300 2950 0 50 Input ~ 0
  586. RAM_A4
  587. Text GLabel 6300 2850 0 50 Input ~ 0
  588. RAM_A3
  589. Text GLabel 6300 2750 0 50 Input ~ 0
  590. RAM_A2
  591. Text GLabel 6300 2650 0 50 Input ~ 0
  592. RAM_A1
  593. Text GLabel 6300 2550 0 50 Input ~ 0
  594. RAM_A0
  595. Text GLabel 4750 4150 2 50 Input ~ 0
  596. ROM_/UB
  597. Text GLabel 4750 4050 2 50 Input ~ 0
  598. ROM_/LB
  599. Text GLabel 4750 3750 2 50 BiDi ~ 0
  600. ROM_DQ15
  601. Text GLabel 4750 3650 2 50 BiDi ~ 0
  602. ROM_DQ14
  603. Text GLabel 4750 3550 2 50 BiDi ~ 0
  604. ROM_DQ13
  605. Text GLabel 4750 3450 2 50 BiDi ~ 0
  606. ROM_DQ12
  607. Text GLabel 4750 3350 2 50 BiDi ~ 0
  608. ROM_DQ11
  609. Text GLabel 4750 3250 2 50 BiDi ~ 0
  610. ROM_DQ10
  611. Text GLabel 4750 3150 2 50 BiDi ~ 0
  612. ROM_DQ9
  613. Text GLabel 4750 3050 2 50 BiDi ~ 0
  614. ROM_DQ8
  615. Text GLabel 4750 2850 2 50 BiDi ~ 0
  616. ROM_DQ7
  617. Text GLabel 4750 2750 2 50 BiDi ~ 0
  618. ROM_DQ6
  619. Text GLabel 4750 2650 2 50 BiDi ~ 0
  620. ROM_DQ5
  621. Text GLabel 4750 2550 2 50 BiDi ~ 0
  622. ROM_DQ4
  623. Text GLabel 4750 2450 2 50 BiDi ~ 0
  624. ROM_DQ3
  625. Text GLabel 4750 2350 2 50 BiDi ~ 0
  626. ROM_DQ2
  627. Text GLabel 4750 2250 2 50 BiDi ~ 0
  628. ROM_DQ1
  629. Text GLabel 4750 2150 2 50 BiDi ~ 0
  630. ROM_DQ0
  631. Text GLabel 2050 4350 0 50 Input ~ 0
  632. ROM_A22
  633. Text GLabel 2050 4250 0 50 Input ~ 0
  634. ROM_A21
  635. Text GLabel 2050 4150 0 50 Input ~ 0
  636. ROM_A20
  637. Text GLabel 2050 4050 0 50 Input ~ 0
  638. ROM_A19
  639. Text GLabel 2050 3950 0 50 Input ~ 0
  640. ROM_A18
  641. Text GLabel 2050 3850 0 50 Input ~ 0
  642. ROM_A17
  643. Text GLabel 2050 3750 0 50 Input ~ 0
  644. ROM_A16
  645. Text GLabel 2050 3650 0 50 Input ~ 0
  646. ROM_A15
  647. Text GLabel 2050 3550 0 50 Input ~ 0
  648. ROM_A14
  649. Text GLabel 2050 3450 0 50 Input ~ 0
  650. ROM_A13
  651. Text GLabel 2050 3350 0 50 Input ~ 0
  652. ROM_A12
  653. Text GLabel 2050 3250 0 50 Input ~ 0
  654. ROM_A11
  655. Text GLabel 2050 3150 0 50 Input ~ 0
  656. ROM_A10
  657. Text GLabel 2050 3050 0 50 Input ~ 0
  658. ROM_A9
  659. Text GLabel 2050 2950 0 50 Input ~ 0
  660. ROM_A8
  661. Text GLabel 2050 2850 0 50 Input ~ 0
  662. ROM_A7
  663. Text GLabel 2050 2750 0 50 Input ~ 0
  664. ROM_A6
  665. Text GLabel 2050 2650 0 50 Input ~ 0
  666. ROM_A5
  667. Text GLabel 2050 2550 0 50 Input ~ 0
  668. ROM_A4
  669. Text GLabel 2050 2450 0 50 Input ~ 0
  670. ROM_A3
  671. Text GLabel 2050 2350 0 50 Input ~ 0
  672. ROM_A2
  673. Text GLabel 2050 2250 0 50 Input ~ 0
  674. ROM_A1
  675. Text GLabel 2050 2150 0 50 Input ~ 0
  676. ROM_A0
  677. NoConn ~ 4250 4550
  678. $Comp
  679. L GND #PWR036
  680. U 1 1 4BCA30BF
  681. P 4750 5400
  682. F 0 "#PWR036" H 4750 5400 30 0001 C CNN
  683. F 1 "GND" H 4750 5330 30 0001 C CNN
  684. 1 4750 5400
  685. 1 0 0 -1
  686. $EndComp
  687. Text GLabel 2050 4750 0 50 Input ~ 0
  688. ROM_/WE
  689. Text GLabel 2050 4650 0 50 Input ~ 0
  690. ROM_/OE
  691. $Comp
  692. L C C502
  693. U 1 1 4BAD3D55
  694. P 3550 7000
  695. F 0 "C502" H 3600 7100 50 0000 L CNN
  696. F 1 "100n" H 3600 6900 50 0000 L CNN
  697. F 2 "SM0805_FIXEDMASK" H 3550 7000 60 0001 C CNN
  698. 1 3550 7000
  699. 1 0 0 -1
  700. $EndComp
  701. $Comp
  702. L C C511
  703. U 1 1 4BAD3D53
  704. P 10150 2000
  705. F 0 "C511" H 10200 2100 50 0000 L CNN
  706. F 1 "100n" H 10200 1900 50 0000 L CNN
  707. F 2 "SM0805_FIXEDMASK" H 10150 2000 60 0001 C CNN
  708. 1 10150 2000
  709. 0 -1 1 0
  710. $EndComp
  711. $Comp
  712. L C C501
  713. U 1 1 4BAD3D47
  714. P 3250 7000
  715. F 0 "C501" H 3300 7100 50 0000 L CNN
  716. F 1 "100n" H 3300 6900 50 0000 L CNN
  717. F 2 "SM0805_FIXEDMASK" H 3250 7000 60 0001 C CNN
  718. 1 3250 7000
  719. 1 0 0 -1
  720. $EndComp
  721. $Comp
  722. L GND #PWR037
  723. U 1 1 4BAD3D2B
  724. P 3550 7300
  725. F 0 "#PWR037" H 3550 7300 30 0001 C CNN
  726. F 1 "GND" H 3550 7230 30 0001 C CNN
  727. 1 3550 7300
  728. 1 0 0 -1
  729. $EndComp
  730. $Comp
  731. L +1.8V #PWR038
  732. U 1 1 4BAD3D27
  733. P 3550 6700
  734. F 0 "#PWR038" H 3550 6840 20 0001 C CNN
  735. F 1 "+1.8V" H 3550 6810 30 0000 C CNN
  736. 1 3550 6700
  737. 1 0 0 -1
  738. $EndComp
  739. $Comp
  740. L GND #PWR039
  741. U 1 1 4BAD3D20
  742. P 3250 7300
  743. F 0 "#PWR039" H 3250 7300 30 0001 C CNN
  744. F 1 "GND" H 3250 7230 30 0001 C CNN
  745. 1 3250 7300
  746. 1 0 0 -1
  747. $EndComp
  748. $Comp
  749. L +3.3V #PWR040
  750. U 1 1 4BAD3D0B
  751. P 3250 6700
  752. F 0 "#PWR040" H 3250 6660 30 0001 C CNN
  753. F 1 "+3.3V" H 3250 6810 30 0000 C CNN
  754. 1 3250 6700
  755. 1 0 0 -1
  756. $EndComp
  757. $Comp
  758. L GND #PWR041
  759. U 1 1 4BAD33A7
  760. P 3400 5400
  761. F 0 "#PWR041" H 3400 5400 30 0001 C CNN
  762. F 1 "GND" H 3400 5330 30 0001 C CNN
  763. 1 3400 5400
  764. 1 0 0 -1
  765. $EndComp
  766. $Comp
  767. L GND #PWR042
  768. U 1 1 4BAD339F
  769. P 7650 5000
  770. F 0 "#PWR042" H 7650 5000 30 0001 C CNN
  771. F 1 "GND" H 7650 4930 30 0001 C CNN
  772. 1 7650 5000
  773. 1 0 0 -1
  774. $EndComp
  775. $Comp
  776. L +1.8V #PWR043
  777. U 1 1 4BAD32D2
  778. P 3300 1550
  779. F 0 "#PWR043" H 3300 1690 20 0001 C CNN
  780. F 1 "+1.8V" H 3300 1660 30 0000 C CNN
  781. 1 3300 1550
  782. 1 0 0 -1
  783. $EndComp
  784. $Comp
  785. L +3.3V #PWR044
  786. U 1 1 4BAD32BE
  787. P 3500 1550
  788. F 0 "#PWR044" H 3500 1510 30 0001 C CNN
  789. F 1 "+3.3V" H 3500 1660 30 0000 C CNN
  790. 1 3500 1550
  791. 1 0 0 -1
  792. $EndComp
  793. Text Notes 6300 5700 0 60 ~ 0
  794. 4Mbits 45ns SRAM (battery RAM + custom chip work RAM)
  795. Text Notes 2650 5700 0 60 ~ 0
  796. 128Mbits 70ns PSRAM (ROM area)
  797. $Comp
  798. L MT45W8MW16 U501
  799. U 1 1 4B868602
  800. P 3400 3450
  801. F 0 "U501" H 3400 3550 60 0000 C CNN
  802. F 1 "MT45W8MW16" H 3400 3450 60 0000 C CNN
  803. F 2 "VFBGA54" H 3400 3450 60 0001 C CNN
  804. 1 3400 3450
  805. 1 0 0 -1
  806. $EndComp
  807. $EndSCHEMATC