Freescale Semiconductor LS1043ARDB Quick Start Manual page 6

Switch configurations
Switch
SW3[6] OPENSDA_EN
SW3[7] TDMCLK_SDHC/USB
SW3[8] SDHC_SPICS
5.2 SW4 configuration
The figure below shows the SW4 switch on the LS1043ARDB.
The table below describes the SW4 configuration.
QorIQ LS1043A Reference Design Board Quick Start, Rev. 1, 11/2015
6
Table 2. SW3 configuration (continued)
Name
CMSISDAP JTAG forced disable
• 0: JTAG can be used by header or
CMSISDAP (default value)
• 1: CMSISDAP JTAG is forced to be
disabled
TDM CLK or SDHC/USB select
• 0: TDM CLK
• 1: SDHC/USB (default value)
SDHC_DAT[4:7] or SPI_CS select
• 0: SDHC
• 1: SPI_CS (default value)
Figure 5. SW4 switch
Description ON (1) / OFF (0) setting
0
1
1
ON '1'
RCW_SRC0
RCW_SRC1
RCW_SRC2
RCW_SRC3
RCW_SRC4
RCW_SRC5
RCW_SRC6
RCW_SRC7
Freescale Semiconductor, Inc.