Nvidia DG-04927-001_V01 Benutzerhandbuch
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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
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