Analog Devices adsp-2100 Manual page 49

Control Code
HI reference LO Reference
+16 to +127 +32 to +127
+15 +31
+14 +30
+13 +29
+12 +28
+11 +27
+10 +26
+9 +25
+8 +24
+7 +23
+6 +22
+5 +21
+4 +20
+3 +19
+2 +18
+1 +17
0 +16
-1 +15
-2 +14
-3 +13
-4 +12
-5 +11
-6 +10
-7 +9
-8 +8
-9 +7
-10 +6
-11 +5
-12 +4
-13 +3
-14 +2
-15 +1
-16 0
-17 -1
-18 -2
-19 -3
-20 -4
-21 -5
-22 -6
-23 -7
-24 -8
-25 -9
-26 -10
-27 -11
-28 -12
-29 -13
-30 -14
-31 -15
-32 to -128 -16 to -128
Table 2.4 Shifter Array Characteristic
Computational Units
Shifter Array Output
00000000 00000000 00000000 00000000
R0000000 00000000 00000000 00000000
PR000000 00000000 00000000 00000000
NPR00000 00000000 00000000 00000000
MNPR0000 00000000 00000000 00000000
LMNPR000 00000000 00000000 00000000
KLMNPR00 00000000 00000000 00000000
JKLMNPR0 00000000 00000000 00000000
IJKLMNPR 00000000 00000000 00000000
HIJKLMNP R0000000 00000000 00000000
GHIJKLMN PR000000 00000000 00000000
FGHIJKLM NPR00000 00000000 00000000
EFGHIJKL MNPR0000 00000000 00000000
DEFGHIJK LMNPR000 00000000 00000000
CDEFGHIJ KLMNPR00 00000000 00000000
BCDEFGHI JKLMNPR0 00000000 00000000
ABCDEFGH IJKLMNPR 00000000 00000000
XABCDEFG HIJKLMNP R0000000 00000000
XXABCDEF GHIJKLMN PR000000 00000000
XXXABCDE FGHIJKLM NPR00000 00000000
XXXXABCD EFGHIJKL MNPR0000 00000000
XXXXXABC DEFGHIJK LMNPR000 00000000
XXXXXXAB CDEFGHIJ KLMNPR00 00000000
XXXXXXXA BCDEFGHI JKLMNPR0 00000000
XXXXXXXX ABCDEFGH IJKLMNPR 00000000
XXXXXXXX XABCDEFG HIJKLMNP R0000000
XXXXXXXX XXABCDEF GHIJKLMN PR000000
XXXXXXXX XXXABCDE FGHIJKLM NPR00000
XXXXXXXX XXXXABCD EFGHIJKL MNPR0000
XXXXXXXX XXXXXABC DEFGHIJK LMNPR000
XXXXXXXX XXXXXXAB CDEFGHIJ KLMNPR00
XXXXXXXX XXXXXXXA BCDEFGHI JKLMNPR0
XXXXXXXX XXXXXXXX ABCDEFGH IJKLMNPR
XXXXXXXX XXXXXXXX XABCDEFG HIJKLMNP
XXXXXXXX XXXXXXXX XXABCDEF GHIJKLMN
XXXXXXXX XXXXXXXX XXXABCDE FGHIJKLM
XXXXXXXX XXXXXXXX XXXXABCD EFGHIJKL
XXXXXXXX XXXXXXXX XXXXXABC DEFGHIJK
XXXXXXXX XXXXXXXX XXXXXXAB CDEFGHIJ
XXXXXXXX XXXXXXXX XXXXXXXA BCDEFGHI
XXXXXXXX XXXXXXXX XXXXXXXX ABCDEFGH
XXXXXXXX XXXXXXXX XXXXXXXX XABCDEFG
XXXXXXXX XXXXXXXX XXXXXXXX XXABCDEF
XXXXXXXX XXXXXXXX XXXXXXXX XXXABCDE
XXXXXXXX XXXXXXXX XXXXXXXX XXXXABCD
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXABC
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXAB
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXA
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
2
ABCDEFGHIJKLMNPR
represents the 16-bit
input pattern
X stands for the
extension bit
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