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PDSP1601 데이터시트(PDF) 5 Page - Mitel Networks Corporation

부품명 PDSP1601
상세설명  ALU and Barrel Shifter
PDF  17 Pages
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제조업체  MITEL [Mitel Networks Corporation]
홈페이지  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

PDSP1601 데이터시트(HTML) 5 Page - Mitel Networks Corporation

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PDSP1601/PDSP1601A
5
Inst
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
IA4-AI0
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
Mnemonic
CLRXX
MIAX1
MIACI
MIACO
A2SGN
A2RAL
A2RAR
A2RSX
APBCI
APBCO
AMBX1
AMBCI
AMBCO
BMAX1
BMACI
BMACO
Operation
RESET
MINUS A
MINUS A
MINUS A
A/2
A/2
A/2
A/2
A PLUS B
A PLUS B
A MINUS B
A MINUS B
A MINUS B
B MINUS A
B MINUS A
B MINUS A
Mode
---------
LSBYTE
CASCADE
MULTICYCLE
MSBYTE
MULTICYCLE
MULTICYCLE
MULTICYCLE
CASCADE
MULTICYCLE
LSBYTE
CASCADE
MULTICYCLE
LSBYTE
CASCADE
MULTICYCLE
Function
CLEAR ALL REGISTERS
NA Plus 1
NA Plus CI
NA Plus CO
A/2 Sign Extend
A/2 with RAL LSB
A/2 with RAR LSB
A/2 with RSX LSB
A Plus B Plus CI
A Plus B Plus CO
A Plus NB Plus 1
A Plus NB Plus CI
A Plus NB Plus CO
NA Plus B Plus 1
NA Plus B Plus CI
NA Plus B Plus CO
Table 1 ALU instructions
1a. ARITHMETIC INSTRUCTIONS
Inst
10
11
12
13
14
15
16
17
IA4-AI0
10000
10001
10010
10011
10100
10101
10110
10111
Mnemonic
ANXAB
ANANB
ANNAB
ORXAB
ORNAB
XORAB
PASXA
PASNA
Operation
A AND B
A AND NB
NA AND B
A OR B
NA OR B
A XOR B
PASS A
INVERT A
Function
A. B
A. NB
NA. B
A + B
NA + B
A XOR B
A
NA
1c. CONTROL INSTRUCTIONS
Inst
18
19
1A
1B
1C
1D
1E
1F
IA4-AI0
11000
11001
11010
11011
11100
11101
11110
11111
Mnemonic
SBFOV
SBFU1
SBFU2
SBFZE
OPONE
OPBYT
OPNIB
OPALT
Operation
Set BFP Flag to OVR, Force ALU output to zero
Set BFP Flag to UND 1 Force ALU output to zero
Set BFP Flag to UND 2 Force ALU output to zero
Set BFP Flag to ZERO Force ALU output to zero
Output 0001 Hex
Output 00FF Hex
Output 000F Hex
Output 5555 Hex
KEY
A
= A input to ALU
B
= B input to ALU
CI
= External Carry in to ALU
CO
= Internally Registered Carry out from ALU
RAL
= ALU Register (Left)
RAR
= ALU Register (Right)
RSX
= Shifter Register (Left or Right)
MNEMONICS
CLRXX
Clear All Registers to zero
MIAXX
Minus A,
XX
= Carry in to LSB
A2XXX
A Divided by 2,
XXX = Source of MSB
APBXX
A Plus B,
XX
= Carry in to LSB
AMBXX
A Minus B,
XX
= Carry in to LSB
BMAXX
B Minus A,
XX
= Carry in to LSB
ANX-Y
AND
X
= Operand 1, Y = Operand 2
ORX-Y
OR
X
= Operand 1, Y = Operand 2
XORXY
Exclusive OR
X
= Operand 1, Y = Operand 2
PASXX
Pass
XX
= Operand
SBFXX
Set BFP Flag
XX
= Function
OPXXX
Output Constant XXX
1b. LOGICAL INSTRUCTIONS



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