COP8CCR9IMT7SLASHNOPB datasheet(98/111 Pages) TI1

98 / 111 page

COP8CBR9, COP8CCR9, COP8CDR9

SNOS535I – OCTOBER 2000 – REVISED MARCH 2013

www.ti.com

RLC

Rotate A Left thru C

←A7←…←A0←C, HC←A0

SWAP

SWAP nibbles of A

A7…A4

↔A3…A0

Set C

←1, HC←1

Reset 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

POP the stack into A

←SP + 1, A←[SP]

PUSH

PUSH A onto the stack

[SP]

←A, SP←SP − 1

VIS

Vector to Interrupt Service Routine

←[VU], PL←[VL]

JMPL

Addr.

Jump absolute Long

←ii (ii = 15 bits, 0 to 32k)

JMP

Addr.

Jump absolute

PC9…0

←i (i = 12 bits)

Disp.

Jump relative short

←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,

←Addr,PU←00, switch to flash

JID

Jump InDirect

←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 + 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

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

Functional Description

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Product Folder Links: COP8CBR9 COP8CCR9 COP8CDR9

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