Nvidia TEGRA DG-04927-001_V01 User Manual download pdf (Page 37)

Tegra 200 Series Developer Board User Guide

DG-04927-001_v01 Advance Information – Subject to Change 37

NVIDIA CONFIDENTIAL

4.9.4 Strapping Pins

Straps must be stable from the rising edge of SYS_RESET_N until 12.5us afterward.

Figure 26. Power-on Strapping Connections

Table 14. Power-on Strapping Breakdown

Strap Options Strap Pins Description

USB_RECOVERY GMI_OE_N 0: USB Recovery Mode

1: Boot from secondary device

JTAG_ARM[1:0] GMI_CLK, GMI_ADV_N 00: Serial JTAG chain, MPCORE and AVP

RAM_CODE[3:0] GMI_AD[7:4] SW uses to determine which BCT table to use for DRAM, NAND timing

BOOT_SELECT_CODE[3:0] GMI_AD[15:12] Selects Boot device - depends on how Boot fuses are burned

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Nvidia TEGRA DG-04927-001_V01 User Manual Page 37