DAI Signal Routing Unit Registers
A-134 ADSP-214xx SHARC Processor Hardware Reference
Setting
SRU_PIN4 bit 28 to high inverts the level of DAI_PB19_I and setting
SRU_PIN4 bit 29 to high inverts the level of DAI_PB20_I. Input Inversion
only works if the buffer output is not routed to its input.
Figure A-74. SRU_PIN4 Register (RW)
Table A-78. Group D Sources – Pin Signal Assignments
Selection Code Source Signal Description (Source Selection)
0000000 (0x0) DAI_PB01_O Pin Buffer 1
0000001 (0x1) DAI_PB02_O Pin Buffer 2
0000010 (0x2) DAI_PB03_O Pin Buffer 3
0000011 (0x3) DAI_PB04_O Pin Buffer 4
0000100 (0x4) DAI_PB05_O Pin Buffer 5
0000101 (0x5) DAI_PB06_O Pin Buffer 6
0000110 (0x6) DAI_PB07_O Pin Buffer 7
0000111 (0x7) DAI_PB08_O Pin Buffer 8
0001000 (0x8) DAI_PB09_O Pin Buffer 9
0001001 (0x9) DAI_PB10_O Pin Buffer 10
0001010 (0xA) DAI_PB11_O Pin Buffer 11
0001011 (0xB) DAI_PB12_O Pin Buffer 12
0001100 (0xC) DAI_PB13_O Pin Buffer 13
DAI_PB19_I (20–14)
DAI_PB19_I (20–14) (con’t)
DAI_PB18_I (13–7)
DAI_PB17_I (6–0)
DAI_PB20_I (27–21)
DAI Pin Buffer 19 Input
DAI Pin Buffer 17 Input
DAI Pin Buffer 18 Input
DAI Pin Buffer 20 Input
DAI_PB20_I_INVERT
DAI_PB19_I_INVERT
31 302928 27 26 25 24 23 22 21 20 19 18 17 16
09 837564 2114 12 11 101315
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