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MC9328MX21SCVM Datasheet(PDF) 8 Page - Freescale Semiconductor, Inc |
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MC9328MX21SCVM Datasheet(HTML) 8 Page - Freescale Semiconductor, Inc |
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8 / 88 page  MC9328MX21S Technical Data, Rev. 1.3 8 Freescale Semiconductor Signal Descriptions External DMA EXT_DMAREQ External DMA Request input signal. This signal is multiplexed with CSPI1_RDY. EXT_DMAGRANT External DMA Grant output signal. This signal is multiplexed with LD[16] of LCDC and CSPI1_SS1 of CSPI1. NAND Flash Controller NF_CLE NAND Flash Command Latch Enable output signal. Multiplexed with PC_POE of PCMCIA. NF_CE NAND Flash Chip Enable output signal. This signal is multiplexed with PC_CE1 of PCMCIA. NF_WP NAND Flash Write Protect output signal. This signal is multiplexed with PC_CE2 of PCMCIA. NF_ALE NAND Flash Address Latch Enable output signal. This signal is multiplexed with PC_OE of PCMCIA. NF_RE NAND Flash Read Enable output signal. This signal is multiplexed with PC_RW of PCMCIA. NF_WE NAND Flash Write Enable output signal. This signal is multiplexed with and PC_BVD2 of PCMCIA. NF_RB NAND Flash Ready Busy input signal. This signal is multiplexed with PC_RST of PCMCIA. NF_IO[15:0] NAND Flash Data input and output signals. NF_IO[15:7] signals are multiplexed with A[25:21] and A[15:13]. NF_IO[7:0] signals are multiplexed with several PCMCIA signals. PCMCIA Controller PC_A[25:0] PCMCIA Address signals. These signals are multiplexed with A[25:0]. PC_D[15:0] PCMCIA Data input and output signals. These signals are multiplexed with D[15:0]. PC_CD1 PCMCIA Card Detect1 input signal. This signal is multiplexed with NFIO[7] signal of NF. PC_CD2 PCMCIA Card Detect2 input signal. This signal is multiplexed with NFIO[6] signal of NF. PC_WAIT PCMCIA Wait input signal to extend current access. This signal is multiplexed with NFIO[5] signal of NF. PC_READY PCMCIA Ready input signal indicates card is ready for access. Multiplexed with NFIO[4] signal of NF. PC_RST PCMCIA Reset output signal. This signal is multiplexed with NFRB signal of NF. PC_OE PCMCIA Memory Read Enable output signal asserted during common or attribute memory read cycles. This signal is multiplexed with NFALE signal of NF. PC_WE PCMCIA Memory Write Enable output signal asserted during common or attribute memory cycles. This signal is shared with RW of the EIM. PC_VS1 PCMCIA Voltage Sense1 input signal. This signal is multiplexed with NFIO[2] signal of NF. PC_VS2 PCMCIA Voltage Sense2 input signal. This signal is multiplexed with NFIO[1] signal of NF. PC_BVD1 PCMCIA Battery Voltage Detect1 input signal. This signal is multiplexed with NFIO[0] signal of NF. PC_BVD2 PCMCIA Battery Voltage Detect2 input signal. This signal is multiplexed with NF_WE signal of NF. PC_SPKOUT PCMCIA Speaker Out output signal. This signal is multiplexed with PWMO signal. PC_REG PCMCIA Register Select output signal. This signal is shared with EB2 of EIM. PC_CE1 PCMCIA Card Enable1 output signal. This signal is multiplexed with NFCE signal of NF. PC_CE2 PCMCIA Card Enable2 output signal. This signal is multiplexed with NFWP signal of NF. PC_IORD PCMCIA IO Read output signal. This signal is shared with EB3 of EIM. PC_IOWR PCMCIA IO Write output signal. This signal is shared with OE signal of EIM. PC_WP PCMCIA Write Protect input signal. This signal is multiplexed with NFIO[3] signal of NF. Table 2. i.MX21S Signal Descriptions (Continued) Signal Name Function/Notes |
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Similar Description - MC9328MX21SCVM |
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