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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
USB_RECOVERY
JTAG_ARM[1:0]
RAM_CODE[3:0]
BOOT_SELECT_CODE[3:0]
DG-04927-001_v01
Strap Pins
GMI_OE_N
GMI_CLK, GMI_ADV_N
GMI_AD[7:4]
GMI_AD[15:12]
Advance Information – Subject to Change
NVIDIA CONFIDENTIAL
Tegra 200 Series Developer Board User Guide
Description
0: USB Recovery Mode
1: Boot from secondary device
00: Serial JTAG chain, MPCORE and AVP
SW uses to determine which BCT table to use for DRAM, NAND timing
Selects Boot device - depends on how Boot fuses are burned
37
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