Maxim-integrated MAXQ7667 Bedienungsanleitung PDF herunterladen (Seite 328)

_________________________________________________________________________________________________________ 19-14

MAXQ7667 User’s Guide

MOVE dst, src Move Data

Table 19-3. Destination Specifier Codes

Data Transfer dst (16-bit) ← src (16-bit): dst[15:0] ← src[15:0]

Rules dst (8-bit) ← src (8-bit): dst[7:0] ← src[7:0]

dst (16-bit)

← src (8-bit): dst[15:8] ← 00h *

dst[7:0]

← src[7:0]

dst (8-bit)

← src (16-bit): dst[7:0] ← src[7:0]

*Note: The PFX[0] register may be used to supply a separate high-order data byte for this type of transfer.

dst

dst BIT EN COD ING

(d d d d d dd )

WI DT H

(16 OR 8)

DESCRIPTION

N UL 111 0110 8/16

Null (V i rtual) Destination. Intended as a bit bucket to ass ist

software with pointer increments/decrements.

MN[n] nnn 0NNN 8/16

nnnn Selects One of Firs t 8 Registers in Module NNN; where

N N N = 0 to 5. Access to Next 24 U sing PFX[n].

AP 000 1000 8 Accumulator Pointer

APC 001 1000 8 Accumulator Pointer Control

PSF 100 1000 8 Processor Status Flag Register

IC 101 1000 8 Inter rupt and Control Register

IMR 110 1000 8 Inter rupt Mask Register

A[n] nnn 1001 8/16 nnn Selects 1 of Firs t 8 Accumulators: A[0]..A[7]

Acc 000 1010 8/16 Active Accumulator = A[AP ]

PFX[n] nnn 1011 8 nnn Selects One of 8 Prefix Registers

@++SP 000 1101 16 16-Bit Word @SP, Pre-Increment SP

SP 001 1101 16 Stack Pointer

IV 010 1101 16 Interrupt Vector

LC[n] 11n 1101 16 n Selects 1 of 2 Loop Counter Registers

@BP[OFFS] 000 1110 8/16 Data Memory @BP[OFFS]

@BP[++OFFS] 001 1110 8/16 Data Memory @BP[OFFS]; P reincrement OFFS

@BP[ - -OFFS ] 010 1110 8/16 Data Me mory @BP[OFFS]; Predecrement OFFS

OFFS 011 1110 8 Frame Pointer Offset from Base Pointer (BP)

D P C 100 1110 16 Data Pointer C ontrol Register

GR 101 1110 16 General Register

GRL 110 1110 8 Low Byte of GR Regis ter

BP 111 1110 16 Frame Pointer Base Pointer (BP )

@DP[n] n00 1111 8/16 Data Memory @DP[n ]

@++DP[n] n01 1111 8/16 Data Memory @DP [n ], Preincrement DP [n ]

@-- D P [n] n10 1111 8/16 Data Memory @DP[n ], Predecrement DP [n]

D P [n] n11 1111 16 n Selects 1 of 2 Data Pointers

2- C YC LE DESTINATION AC CESS U SING PFX[n] REGISTER (See Special No tes)

SC 000 1000 8 System C ontrol Register

CKC N 110 1000 8 Clock Control Register

WDCN 111 1000 8 Watchdog C ontrol Register

A[n] nnn 1001 16 nnn Selects 1 of Second 8 Accumulators A[8]…A[15]

GRH 001 1110 8 Hi gh Byte of GR Register

1 2 ... 323 324 325 326 327 328 329 330 331 332 333 ... 346 347

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