I.MX27 Datasheet, PDF (36/148 Pages) Freescale Semiconductor, Inc – Multimedia Applications Processor

Signal Descriptions
3.2 EMI Pins Multiplexing
This section discusses the multiplexing of EMI signals. The EMI signals’ multiplexing is done inside the
EMI. Table 4 lists the i.MX27 pin names, pad types, and the memory devices’ equivalent pin names.
Table 4. EMI Multiplexing
Pin Name
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
MA10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
SDBA1
SDBA0
SD0
SD1
Pad Type
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
regular
ddr
ddr
WEIM
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
—
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
—
—
—
—
SDRAM
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
—
MA10
MA11
MA12
MA13
—
—
—
—
—
—
—
—
—
—
—
—
SDBA1
SDBA0
SD0
SD1
PCMCIA
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
—
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
CE1
CE2
—
—
DDR
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
—
MA10
MA11
MA12
MA13
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
NFC
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
i.MX27 and i.MX27L Data Sheet, Rev. 1.5
36
Freescale Semiconductor