User's Manual

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MARVELL CONFIDENTIAL, UNDER NDA# 12150208
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MARVELL CONFIDENTIAL, UNDER NDA# 12150208
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Configuration Pins
Copyright © 2015 Marvell CONFIDENTIAL Doc. No. MV-S109936-00 Rev. A
February 3, 2015, 1.00 Document Classification: Proprietary Page 67
1.5 Configuration Pins
Table 17 shows the pins used as configuration inputs to set parameters following a reset. The
definition of these pins changes immediately after reset to their usual function. To set a configuration
bit to 0, attach a 100 kΩ resistor from the pin to ground. No external circuitry is required to set a
configuration bit to 1.
Table 17: Configuration Pins
Configuration
Bits
Pin Name Configuration Function
CON[5] GPIO_16 Boot Options
00 = boot from UART
01 = reserved
10 = boot from USB
11 = boot from Flash (default)
CON[4] GPIO_27