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Appendix A: Memory and Register Mapping
A-8
AM700 Audio Measurement Set Service Manual
Table A-14: Board program register address: 13000000 (cont.)
Bit DescriptionName
4 NMICLR 1 = mask external NMI input
0 = unmasked external NMI input
5 RSTDSP 1 = DSP96002 in reset state
8 = DSP96002 in active state
6 RSTOA 1 = generator reset is active low
0 = generator reset is active high
7 RSTOB 1 = digital audio board reset is active low
0 = digital audio board reset is active high
8 MNDIS 1 = disable MMU
9 GPIBC 1 = non-system controller
0 = system controller
10 DMARST DSP board DMS ASIC reset control
0 = DSP ASIC in reset state
1 = DSP ASIC release from reset state
11 MIRQ1 level 1 (Real Time Clock) interrupt mask bit
0 = unmasked
1 = masked
12 MIRQ2 level 2 (LANCE) interrupt mask bit
0 = unmasked
1 = masked
13 MIRQ3A level 3 (Video Retrace) interrupt mask bit
0 = unmasked
1 = masked
14 MIRQ3B level 3 (68681 Counter) interrupt mask bit
0 = unmasked
1 = masked
15 MIRQ4 level 4 (DSP96002) interrupt mask bit
0 = unmasked
1 = masked
16 MIRQ5A level 5 (GPIB) interrupt mask bit
0 = unmasked
1 = masked
17 MIRQ5B level 5 (Front Panel) interrupt mask bit
0 = unmasked
1 = masked