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AL460 Datasheet(PDF) 8 Page - AverLogic Technologies Inc |
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AL460 Datasheet(HTML) 8 Page - AverLogic Technologies Inc |
8 / 14 page AL460 HD FIFO Datasheet ©2007~2010 by AverLogic Technologies, Corp. V1.2 8/14 20, 22, 24, 45, 59~63, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 100, 101, 108, 116 Miscellaneous Signals Pin name Pin number I/O type Description RSTN 32 I Global reset (active Low) PLRTY 33 I Select active polarity of the control signals including WEN, REN, WRST, RRST, IE, OE, ROEN and ROINV (total of 8 signals) PLRTY = VD33, active low. PLRTY = GND, active high. Note: during memory operation, the pin must be permanently connected to VD33 or GND. If PLRTY level is changed during memory operation, memory data is not guaranteed. XIN 67 I Crystal input XOUT 68 O Crystal output CSEL[1:0] 65, 66 I Crystal input frequency select pins “00” - 11.059200 MHz “01” - 20.000000 MHz “10” - 24.576000 MHz “11” – 14.318180 MHz * Minimum crystal frequency accuracy: ±100 ppm VREF 72 AI Reference voltage input * Please refer to “External decoupling circuit” application note for details VREF2 25 AI Reference voltage input 2 * Please refer to “External decoupling circuit” application note for details TFEN 96 I Two frame mode enable: “0” – Standard FIFO Mode “1” – Two Frame Mode TEST 1 I Test pin (pull-down for normal operation) SCAN 2 I Scan mode Enable (pull-down for normal operation) NC 26~31, 64, 69 - No connect |
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