ARM ARM DUI 0224I manual Reset timing, Power-on reset and configuration timing

Models: ARM DUI 0224I

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Hardware Description

3.3.5Reset timing

Figure 3-15 shows the power-on reset sequence.

nBOARDPOR is generated at power-up and distributed to the memory expansion boards and to the FPGA configuration PLD. It also causes the assertion of the nTRST signal guarantee the embedded ICE macrocell is reset in the ARM926EJ-S PXP Development Chip.

Figure 3-15 Power-on reset and configuration timing

Note

The release time for GLOBAL_DONE depends on any Logic Tiles in the system. It might be held LOW longer if the tiles take longer to configure.

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ARM DUI 0224I

Page 94
Image 94
ARM ARM DUI 0224I manual Reset timing, Power-on reset and configuration timing