DSP16411 Datasheet, PDF (199/316 Pages) Agere Systems – DSP16411 Digital Signal Processor

Data Sheet
May 2003
DSP16411 Digital Signal Processor
4 Hardware Architecture (continued)
4.16 Serial Interface Unit (SIU) (continued)
4.16.15 Registers (continued)
Table 122. ICIX〈0—1〉 (SIU Input Channel Index) Registers
See Table 120 on page 198 for the memory addresses of these registers.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Channel Mode
(Each bit is mapped
to a logical channel
in the active sub-
frame.)
ICIX0
ICIX1
Subframe 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Subframe 2 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
Subframe 4 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64
Subframe 6 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96
Subframe 1 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Subframe 3 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
Subframe 5 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80
Subframe 7 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112
Frame Mode^†
(Each bit is circularly
mapped to four logi-
cal channels.)
ICIX0
ICIX1
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64
111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80
127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112
Bit Value
Description
(SIU0)
Description
R/W
(SIU1)
15—0
0 Use DMAU channel SWT0 for input from the Use DMAU channel SWT2 for input from the R/W
logical channel shown above.
logical channel shown above.
1 Use DMAU channel SWT1 for input from the Use DMAU channel SWT3 for input from the
logical channel shown above.
logical channel shown above.
Reset
Value
0
† If the number of logical channels per frame is one (IFLIM[6:0](SCON1[6:0]) = 0) in frame mode, bits 1 and 0 of ICIX0 (ICIX0[1:0]) must be programmed
with the same value.
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