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DIP switch Switch binary value 1 2 3 4 5 6 7 8
SW2 1011 1111 OFF ON OFF OFF OFF OFF OFF OFF
SW3 1111 0001 OFF OFF OFF OFF ON ON ON OFF
To boot from the SPI flash, the DIP switches should be configured, as shown in the table below.
DIP switch Switch binary value 1 2 3 4 5 6 7 8
SW1 0010 0010 ON ON OFF ON ON ON OFF ON
SW2 1011 1111 OFF ON OFF OFF OFF OFF OFF OFF
SW3 1110 0001 OFF OFF OFF ON ON ON ON OFF
To boot from the SD card, the DIP switches should be configured, as shown in the table below.
DIP switch Switch binary value 1 2 3 4 5 6 7 8
SW1 0010 0000 ON ON OFF ON ON ON ON ON
SW2 0011 1111 ON ON OFF OFF OFF OFF OFF OFF
SW3 1110 0001 OFF OFF OFF ON ON ON ON OFF
7.3 Switch detailed description
Table 5 shows the detailed switch description.
Table 5. Switch description
Switch POR configuration Signal name Signal meaning Setting
SW1[1] cfg_rcw_src0 IFC_AD8
RCW source 010011011: Hard-coded RCW for
JTAG debug
000100111: NOR flash boot mode
100000101: NAND boot mode
001000101: SPI boot mode
SW1[2] cfg_rcw_src1 IFC_AD9
SW1[3] cfg_rcw_src2 IFC_AD10
SW1[4] cfg_rcw_src3 IFC_AD11
SW1[5] cfg_rcw_src4 IFC_AD12
SW1[6] cfg_rcw_src5 IFC_AD13
SW1[7] cfg_rcw_src6 IFC_AD14
SW1[8] cfg_rcw_src7 IFC_AD15
SW2[1] cfg_rcw_src8 IFC_CLE
SW2[2] cfg_ifc_te IFC_TE OFF(1): IFC drives logic 0 for TE assertion
SW2[3] cfg_pll_config_sel_b IFC_A18
SW2[4] cfg_por_ainit IFC_A19
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NXP Semiconductors
Switch settings
QorIQ T2080 Reference Design Board (T2080RDB-PC) Quick Start, Rev. 1, 08/2021
User Guide 8 / 12
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