Belkin XM Commander Spezifikationen PDF herunterladen (Seite 68)

REF: BB_SRM_xM BeagleBoard-xM System

Reference Manual

Revision A2

Page 68 of 164

bit value (0:3). In the case of the signals going to the expansion connector, the settings

required for those pins depends on how they are to be used. For an explanation of the

options, please refer to the Expansion Header section. Each pin can be set to a different

mode independent of the other pins on the connector.

Table 4 is a list of all of the signals used on the processor for the BeagleBoard and the

required mode setting for each pin. Where the default setting is needed, it will be

indicated. The USER notation under mode indicates that this is an expansion signal and

can be set at the discretion of the user. A FIXED indicates that there is only one function

for that signal and that it cannot be changed,

Table 4. Processor Pin Muxing Settings

Signal Mode

DSS Default

MMC1 Default

MMC2 User

UART3 Default

GPMC Default

UART1 Default

I2C1 Default

I2C2 Default

I2C3 Default

I2C4 Default

JTAG FIXED

TV_OUT Default

SYS_nRESPWRON Default

SYS_nRESWARM Default

SYS_nIRQ Default

SYS_OFF Default

SYS_CLKOUT Default

SYS_CLKOUT2 Default

SYS_CLKREQ Default

SYS_XTALIN FIXED

GPIO_149 4

GPIO_150 4

McBSP1 Default

McBSP2 User

McBSP3 Default

GPIO_171 4

GPIO_172 4

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 163 164

Keine Kommentare

Belkin XM Commander Spezifikationen Seite 68