IMX51 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

IMX51

i.MX51 Applications Processors for Consumer and Industrial Products

Freescale Semiconductor 

IOMUX Configuration for Boot Media

3.1 NAND

The NAND Flash Controller (NFC) signals are not configured in the IOMUX. The NFC interface uses

dedicated contacts on the IC.

3.2 SD/MMC IOMUX Pin Configuration

Table 5 shows the SD/MMC IOMUX pin configuration.

Table 5. SD/MMC IOMUX Pin Configuration

Signal

CLK

CMD

DAT0

DAT1

DAT2

CD/DAT3

DAT4

eSDHC1

SD1_CLK.alt0

SD1_CMD.alt0

SD1_DATA0.alt0

N/A1

N/A

SD1_DATA3.alt0

N/A

eSDHC2

SD2_CLK.alt0

SD2_CMD.alt0

SD2_DATA0.alt0

N/A

N/A

SD2_DATA3.alt0

N/A

eSDHC3

NANDF_RDY_INT.alt5

eSDHC4

NANDF_CS2.alt5

NANDF_CS7.alt5

NANDF_RB1.alt5

NANDF_WE_B.alt2 NANDF_CS3.alt5

N/A

N/A

N/A

N/A

NANDF_RB0.alt5

NANDF_CS6.alt5

N/A

N/A

DAT5

N/A

N/A

DAT6

N/A

N/A

DAT7

N/A

N/A

1 N/A in the ROM code indicates the pins are not available.

N/A

N/A

N/A

N/A

N/A

N/A

Only DAT0 is available when the SD/MMC is used for boot. The remaining lines (DAT1–DAT7) are not

available.

3.3 I2C IOMUX Pin Configuration

The contacts assigned to the signals used by the three I2C modules is shown in Table 6.

Table 6. I2C IOMUX Pin Configuration

Signal

HSI2C

I2C1

I2C2

SDA

SCL

I2C1_DAT.alt0

I2C1_CLK.alt0

I2C1_DAT.alt0

I2C1_CLK.alt0

GPIO1_3.alt2

GPIO1_2.alt2

i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 6

Freescale Semiconductor

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