DAI Signal Routing Unit Registers
A-138 ADSP-214xx SHARC Processor Hardware Reference
Miscellaneous Signal Routing Registers
(SRU_MISCx, Group E)
Miscellaneous register A allows programs to route to the DAI interrupt
latch, PBEN input routing, or input signal inversion. In contrast, miscel-
laneous register B allows programs to only route to the DAI interrupt
latch (see Figure A-75 and Figure A-76).
Notice that when the PCG’s one shot option (
PCG_PW register) is enabled,
the inputs
MISCA2_I (PCG unit A) and MISCA3_I (PCG unit B) and
MISCA4_I (PCG unit C) and MISCA5_I (PCG unit D) are used as input
signals.
The miscellaneous signal routing registers correspond to the group E mis-
cellaneous signals, listed in Table A-79.
Figure A-75. SRU_EXT_MISCA Register (RW)
INV_MISCA5_I
Invert Miscellaneous Input A4
INV_MISCA4_I
Miscellaneous A5 Input
Invert Miscellaneous Input A5
Miscellaneous A0 Input
Miscellaneous A4 Input
Miscellaneous A2 Input
DAI Interrupt 28
Miscellaneous A1 Input
Miscellaneous A3 Input
31 302928 27 26 25 24 23 22 21 20 19 18 17 16
09 837564 2114 12 11 101315
MISCA3_I
MISCA2_I
MISCA1_I
DAI_INT_28_I
MISCA5_I
MISCA4_I
MISCA3_I (Con’t)
Miscellaneous A0 Input
MISCA0_I
DAI Interrupt 29
DAI_INT_29_I
DAI Interrupt 31
DAI_INT_31_I
DAI Interrupt 30
DAI_INT_30_I
DAI Interrupt 31
DAI_INT_31_I (Con’t)
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