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IMX53CEC Datasheet(PDF) 178 Page - Freescale Semiconductor, Inc |
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IMX53CEC Datasheet(HTML) 178 Page - Freescale Semiconductor, Inc |
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178 / 204 page  i.MX53xD Applications Processors for Consumer Products, Rev. 2 178 Freescale Semiconductor Package Information and Contact Assignments 6.3.2.2 PoP Memory Support and Signal Cross Reference Support is provided for 8- and 16-bit MLC NAND Flash mounted on the top of the package. To ensure JESD209 compliance, dedicated PCB connections are required per Table 116. With NAND flash selected as the boot source, NANDF_CLE and the EIM signals are configured as outputs. The PATA signals are configured as inputs with weak pull-ups (default) which allows the NANDF_CLE and the EIM signals to drive them. Note that the 16-bit NAND flash is on the EIM bus only. EIM_DA[4:7] and EIM_DA[12:15] are assigned to top balls and require no PCB connections. POP_VCCMM A6, J1 POP_VCCQMM A9 POP_VCCQMM1 F1 POP_VDD1 A11, A20, B3, N2, N22,AB5, AC20 POP_VDD2 B11, B21, C2, L22, R2, AA2, AB10, AB21 POP_VDDCA U2, W2, AC8 POP_VDDMM AC10 POP_VDDQ B13, B16, B19, D22, G22, K22, R22, V22, AA22, AB13, AB16, AB19 POP_ZQ P1 Table 116. Additional PCB connections for PoP NAND Flash Suggested PCB Net Name First i.MX53 I/O on Net Second i.MX53 I/O on Net Associated Top Ball Required for 8-bit NAND Flash? Required for 16-bit NAND Flash? NANDF_CLE NANDF_CLE PATA_DA_0 PATA_DA_0 Yes Yes NANDF_D0 EIM_DA10 PATA_DATA0 PATA_DATA0 Yes Yes NANDF_D1 EIM_DA2 PATA_DATA1 PATA_DATA1 Yes Yes NANDF_D2 EIM_DA11 PATA_DATA2 PATA_DATA2 Yes Yes NANDF_D3 EIM_DA3 PATA_DATA3 PATA_DATA3 Yes Yes NANDF_D8 EIM_DA8 PATA_DATA8 PATA_DATA8 No Yes NANDF_D9 EIM_DA0 PATA_DATA9 PATA_DATA9 No Yes NANDF_D10 EIM_DA9 PATA_DATA10 PATA_DATA10 No Yes NANDF_D11 EIM_DA1 PATA_DATA11 PATA_DATA11 No Yes Table 115. 12 x 12 mm PoP Top Ground, Power, Sense, and Reference Contact Assignments (continued) Contact Name Contact Assignment |
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