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Circuit Descriptions

3-21

ARM Development Board (ARM7TDMI Version)

Hardware Reference Guide

ARM DUI 0017C

Note

The FPGA has just four outputs:

ARMnFIQ

ARMnIRQ

STANDBY

and

REMAP

. If you

choose to change the function of the FPGA you must ensure that these outputs have the

following default values:

See

Target Development System User Guide (ARM DUI 0061)

for further details on the

REMAP signal.

Output Description Default

ARMnFIQ connects to nFIQ on processor HIGH

ARMnIRQ connects to nIRQ on processor HIGH

STANDBY puts system into standby state LOW

REMAP selects normal or reset memory map AS REQUIRED

Table 3-13: FPGA outputs

hrg.book Page 21 Wednesday, July 22, 1998 9:18 AM

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