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P5040/P5020 Reference Design Board User Guide, Rev. 0
46
Freescale Semiconductor
Configuration
Switch names exactly match those found in the schematics and on the printed circuit board. See the
P5040/P5020RDB Configuration Sheet for help setting the system to a default configuration and for more
information about switch functionality.
•
Dynamic (processor-only) configuration pins are only asserted during HRESET_B.
•
Static configuration pins remain constant while system power is operational.
This table notes software register formats.
shows a block diagram of control architecture and
switch configurations.
This table provides a summary of switch configurations.
Table 24. Configuration Switch Format
Switch
Bit
DIP Switch Label
1
2
3
4
5
6
7
8
ngPIXIS Register Bit — Power Architecture: “Big Endian”
format
0
1
2
3
4
5
6
7
Table 25. Configuration Switches
Group
Switches
Configuration Signals
Class
SW1
(see
1–5
cfg_rcw_src[0:4]
Dynamic
6
cfg_dram_type
7
cfg_rsp_dis
8
cfg_elbc_ecc
SW2
(see
1
SDREFCLK1_QA_FSEL0
Static
2
SDREFCLK1_QA_FSEL1
3
SDREFCLK1_QD_FSEL0
4
SDREFCLK1_QD_FSEL1
5
SDREFCLK1_QE_FSEL0
6
SDREFCLK1_QE_FSEL1
7
UART1_3_SEL0
8
UART1_3_SEL1
SW3
(see
1
SW_LANE_SATA_SEL
Static
2
SW_MUX_SATA_CNTR
3
SW_LANE_4_SEL
4
SW_LANE_1617_SEL
5
SW_VDD_CB_EN
6
SW_POVDD_PWR_EN
7
SW_EP_nRC
8
SW_ENGUSE3