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Build the Platform
Build a Development Platform: Assemble Three Boards
Connect Development Platform to PC; Run
Preloaded Image
To connect the 3-Stack platform to your host PC:
1. Connect one end of an RS-232 serial cable (included in the kit) to a serial port
connector (CON4) on the Debug board and connect the other end to a COM port on the
host PC.
2. Confirm that the Bootstrap switches (SW5–SW10) are set for NAND boot. See
3.1.
Boot Mode
Device
UART/USB
bootloader
8-bit NAND Flash
(2KB page) Ext
20
2
Set Bootstrap switches
(SW5–SW10) to NAND boot
Figure 3.4 Connecting the Platform to your PC
• Configure SW4-1 to ON.
• Make sure that SW4-8 is ON, to supply power to all three boards.
• Configure SW4-2 to OFF.
Table 3.1 Boot Mode Setting (SW5–SW10)
SW5
X
X
i.MX31 PDK 1.4 Quick Start Guide
DC
5
power
3
S4
J2
Female
1
Set SW4
SW6
SW7
(Boot4)
(Boot3)
0
0
1
0
Regulated +5V
DC Supply
Configure serial
4
console application.
RS-232
6
cable
COM port
SW8
SW9
0
0
0
0
Table
SW10
0
0
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