Microchip Technology dsPIC33F Family Manual de usuario descargar pdf (Pagina 35)

dsPIC33F

TABLE 9-2: SYMBOLS USED IN SUMMARY TABLES

Symbol Description

# Literal operand designation

Acc Accumulator A or Accumulator B

AWB Accumulator Write Back

bit4 4-bit wide bit position (0:15)

Expr Absolute address, label or expression (resolved by the linker)

f File register address

lit1 1-bit literal (0:1)

lit4 4-bit literal (0:15)

lit5 5-bit literal (0:31)

lit8 8-bit literal (0:255)

lit10 10-bit literal (0:255 for Byte mode, 0:1023 for Word mode)

lit14 14-bit literal (0:16383)

lit16 16-bit literal (0:65535)

lit23 23-bit literal (0:8388607)

Slit4 Signed 4-bit literal (-8:7)

Slit6 Signed 6-bit literal (-16:16)

Slit10 Signed 10-bit literal (-512:511)

Slit16 Signed 16-bit literal (-32768:32767)

TOS Top-of-Stack

Wb Base working register

Wd Destination working register (direct and indirect addressing)

Wm, Wn Working register divide pair (dividend, divisor)

Wm*Wm Working register multiplier pair (same source register)

Wm*Wn Working register multiplier pair (different source registers)

Wn Both source and destination working register (direct addressing)

Wnd Destination working register (direct addressing)

Wns Source working register (direct addressing)

WREG Default working register

Ws Source working register (direct and indirect addressing)

Wx Source addressing mode and working register for X data bus prefetch

Wxd Destination working register for X data bus prefetch

Wy Source addressing mode and working register for Y data bus prefetch

Wyd Destination working register for Y data bus prefetch

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Microchip Technology dsPIC33F Family Manual de usuario Pagina 35