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

3.4 eCSPI/CSPI IOMUX Pin Configuration

The contacts assigned to the signals used by the three SPI modules is shown in Table 7.

Table 7. SPI IOMUX Pin Configuration

Signal

eCSPI1

eCSPI2

MISO

CSPI1_MISO.alt0

NANDF_RB3.alt2

MOSI

CSPI1_MOSI.alt0

NANDF_D15.alt2

RDY

CSPI1_RDY.alt0

NANDF_RB1.alt2

SCLK

SS0

CSPI1_SCLK.alt0

N/A1

NANDF_RB2.alt2

N/A

SS1

N/A

N/A

SS2

N/A

N/A

SS3

N/A

N/A

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

CSPI

USBH1_NXT.alt1

USBH1_DIR.alt1

USBH1_STP.alt1

USBH1_CLK.alt1

N/A

USBH1_DATA5.alt1

N/A

N/A

3.5 Wireless External Interface Module (WEIM)

The WEIM interface signals are not configured in the IOMUX. The WEIM interface uses dedicated

contacts on the IC.

3.6 UART IOMUX Pin Configuration

The contacts assigned to the signals used by the three UART modules are shown in Table 8.

Table 8. UART IOMUX Pin Configuration

Signal

TXD

RXD

CTS

RTS

UART1

UART1_TXD.alt0

UART1_RXD.alt0

UART1_CTS.alt0

UART1_RTS.alt0

UART2

UART2_TXD.alt0

UART2_RXD.alt0

USBH1_DATA0.alt1

USBH1_DATA3.alt1

UART3

UART3_TXD.alt1

UART3_RXD.alt1

KEY_COL5.alt2

KEY_COL4.alt2

3.7 USB-OTG IOMUX Pin Configuration

The interface signals of the UTMI PHY are not configured in the IOMUX. The UTMI PHY interface uses

dedicated contacts on the IC.

Table 9. ULPI PHY IOMUX Pin Configuration

Signal

ULPI PHY

USB_PWR

USB_OC

GPIO1_8.alt1

GPIO1_9.alt1

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

16

Freescale Semiconductor

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