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Boot Mode Configuration
25
SPRUIC7 – December 2016
Copyright © 2016, Texas Instruments Incorporated
TMDSCSK388 Module Interface Details
3.8
Boot Mode Configuration
The DM388 module supports MMC and NAND boot mode configurations. By Default, switch SW1 is
configured for NAND flash boot mode. However, other boot modes must be selected by the resistor mount
and demount option.
shows the boot mode configurations.
Figure 3-7. Boot Mode Configurations
provides the boot mode selection and information.
Table 3-2. Boot Mode Selection
Boot Mode Pin
Default Setting
Description
BTMODE15
0
GPMC CS0 wait disabled
BTMODE14
0
GPMC CS0 address and data not muxed
BTMODE13
0
BTMODE12
1
GPMC CS0 16-bit data bus
BTMODE11
0
RSTOUT is asserted when a watchdog timer reset, POR, RESET,
emulation, software-global cold reset, or software-global warm reset
occurs
BTMODE10
0
GPMC option A
BTMODE9
0
MII (GMII) ethernet PHY mode
BTMODE8
0
BTMODE7
1
RGMII internal delay disabled
BTMODE6
0
RSV
BTMODE5
0
RSV
BTMODE[4:0]
10011
NAND boot
10111
MMC boot