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ATSAM3303 датащи(PDF) 8 Page - ATMEL Corporation |
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ATSAM3303 датащи(HTML) 8 Page - ATMEL Corporation |
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8 / 25 page ![]() 8 ATSAM3303 6091A–DRMSD–07/04 SMCE 45 Out 11 SmartMedia chip enable (CE), active low P1.5 45 I/O 11 General-purpose I/O pin WA20 44 Out 12 External memory address bit, extension to 32 Mbits SMALE 44 Out 12 SmartMedia address latch enable (ALE) P1.4 44 I/O 12 General-purpose I/O pin WA19 43 Out 13 External memory address bit, extension to 16 Mbits SMWE 43 Out 13 SmartMedia write enable (WE), active low P1.3 43 I/O 13 General-purpose I/O pin WA18 42 Out 14 External memory address bit, extension to 8 Mbits SMCLE 42 Out 14 SmartMedia command latch enable (CLE) P1.2 42 I/O 14 General-purpose I/O pin WA17 - WA16 58, 57 Out 15 External memory address bits, extension to 2 and 4 Mbits P1.1 - P1.0 58, 57 I/O 15 General-purpose I/O pins WA15 - WA0 53, 51, 40, 39, 38, 37, 36, 27, 26, 21, 16, 15, 14, 12, 11, 10 Out 16 External memory address bits, up to 1 MBits (64K x 16) P2.15 - P2.0 53, 51, 40, 39, 38, 37, 36, 27, 26, 21, 16, 15, 14, 12, 11, 10 I/O 16 General-purpose I/O pins WD15 - WD0 94, 93, 92, 89, 88, 86, 85, 84, 80, 79, 78, 69, 68, 63, 62, 61 I/O 17 External memory data P3.15 - P3.0 94, 93, 92, 89, 88, 86, 85, 84, 80, 79, 78, 69, 68, 63, 62, 61 I/O 17 General-purpose I/O pins WCS1 3 Out 18 External memory chip select 1, active low. Pre-decode for an external RAM/Flash/ROM at address 200:0000H. P1.10 3 I/O 18 General-purpose I/O pin WCS0 4 Out 19 External memory chip select 2, active low. Pre-decode for an external RAM/Flash/ROM at address 000:0000H P1.9 4 I/O 19 General-purpose I/O pin WOE 48 Out 20 External memory output enable, active low P1.8 48 I/O 20 General-purpose I/O pin WWE 49 Out 21 External memory write enable, active low P1.7 49 I/O 21 General-purpose I/O pin DFCS 23 Out - DataFlash chip select DFSI 25 Out - DataFlash serial input (to DataFlash) DFSO 32 In Pd - DataFlash serial output (from DataFlash). This pin has a built-in pull- down. It may be left open if not used. DFSCK 24 Out - DataFlash data clock Table 2. Pinout by Pin Name Pin Name Pin Number Type Sharing Description |
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