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COP8CCR9IMT7/NOPB Datasheet(PDF) 98 Page - Texas Instruments |
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COP8CCR9IMT7/NOPB Datasheet(HTML) 98 Page - Texas Instruments |
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98 / 111 page  COP8CBR9, COP8CCR9, COP8CDR9 SNOS535I – OCTOBER 2000 – REVISED MARCH 2013 www.ti.com RLC A Rotate A Left thru C C ←A7←…←A0←C, HC←A0 SWAP A SWAP nibbles of A A7…A4 ↔A3…A0 SC Set C C ←1, HC←1 RC Reset C C ←0, HC←0 IFC IF C IF C is true, do next instruction IFNC IF Not C If C is not true, do next instruction POP A POP the stack into A SP ←SP + 1, A←[SP] PUSH A PUSH A onto the stack [SP] ←A, SP←SP − 1 VIS Vector to Interrupt Service Routine PU ←[VU], PL←[VL] JMPL Addr. Jump absolute Long PC ←ii (ii = 15 bits, 0 to 32k) JMP Addr. Jump absolute PC9…0 ←i (i = 12 bits) JP Disp. Jump relative short PC ←PC + r (r is −31 to +32, except 1) JSRL Addr. Jump SubRoutine Long [SP] ←PL, [SP−1]←PU,SP−2, PC←ii JSR Addr. Jump SubRoutine [SP] ←PL, [SP−1]←PU,SP−2, PC9…0←i JSRB Addr Jump SubRoutine Boot ROM [SP] ←PL, [SP−1]←PU,SP−2, PL ←Addr,PU←00, switch to flash JID Jump InDirect PL ←ROM (PU,A) RET RETurn from subroutine SP + 2, PL ←[SP], PU←[SP−1] RETSK RETurn and SKip SP + 2, PL ←[SP],PU←[SP−1], skip next instruction RETI RETurn from Interrupt SP + 2, PL ←[SP],PU←[SP−1],GIE←1 INTR Generate an Interrupt [SP] ←PL, [SP−1]←PU, SP−2, PC←0FF NOP No OPeration PC ←PC + 1 5.19.7 INSTRUCTION EXECUTION TIME Most instructions are single byte (with immediate addressing mode instructions taking two bytes). Most single byte instructions take one cycle time to execute. Skipped instructions require x number of cycles to be skipped, where x equals the number of bytes in the skipped instruction opcode. See the BYTES and CYCLES per INSTRUCTION table for details. Bytes and Cycles per Instruction The following table shows the number of bytes and cycles for each instruction in the format of byte/cycle. Arithmetic and Logic Instructions [B] Direct Immed. ADD 1/1 3/4 2/2 ADC 1/1 3/4 2/2 SUBC 1/1 3/4 2/2 AND 1/1 3/4 2/2 OR 1/1 3/4 2/2 XOR 1/1 3/4 2/2 IFEQ 1/1 3/4 2/2 IFGT 1/1 2/2 3/4 IFBNE 1/1 DRSZ 1/3 SBIT 1/1 3/4 RBIT 1/1 3/4 IFBIT 1/1 3/4 98 Functional Description Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: COP8CBR9 COP8CCR9 COP8CDR9 |
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