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M66596FP Datasheet(PDF) 7 Page - Renesas Technology Corp |
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M66596FP Datasheet(HTML) 7 Page - Renesas Technology Corp |
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7 / 131 page  M66596FP/WG rev .1.00 2006.3.14 page 7 of 127 *1) The “L” active and “H” active states of these pins can be selected using the control program for the user system. ”_N” indicates that the “L” active state is the default state. *2) DSTB0_N and DACK1_N are assigned to the same pin, so the functions of one or the other are valid. *3) The input level of the MPBUS pin needs to be established just before the end of H/W reset. Also, this should not be switched during operation. *4) When CS_N and RD_N are “L”, These pins output “H” or “L”. *5) If MPBUS is “H”, these pins can be made to open. *6) CS_N, WR0_N, and WR1_N should be kept as (a) or (b) during RST_N=”L” (from RST_N goes "L" to right after RST_N goes "H"). (a) CS_N=”H” (b) WR0_N=”H” and WR1_N=”H” *7) Description of “State of pin” (a) Input : Pins are Hi-z state. Please do not make it “open” on a board. (b) Input(Hi-z) : Pins are Hi-z state. Pins can be “open” on a board. (c) H, L, H/L : Output states is shown. *8) These pins are in an inactive state. Table 1.2 The example of not used pins Category Pin name Description SPLIT bus interface SD7-0 “Open” DMA bus interface DREQ0_N “Open” DREQ1_N “Open” DACK0_N Fix to “H”*1) DACK1_N/DSTB0_N Fix to “H”*1) DEND0_N “Open” *2) DEND1_N “Open” *2) SOF output SOF_N “Open” System control TEST Fix to “L” or “Open” VBUS monitor input VBUS Fix to 5V *3) *1) When DACKn_N pin is not used, please set DACKA bit of DMAnCFG register as "0" (n=0,1). *2) When DENDx_N pin is not used, please set DENDA bit of DMAnCFG register as "0" (n=0,1). *3) If this pin is not connected with Vbus of a USB bus, fix to 5V. |
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