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PDSP1601MCGGCR Datasheet(PDF) 5 Page - Mitel Networks Corporation |
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PDSP1601MCGGCR Datasheet(HTML) 5 Page - Mitel Networks Corporation |
5 / 17 page 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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