dspic33fj128mc204 Microchip Technology Inc., dspic33fj128mc204 Datasheet - Page 331

• Manufacturer Part Number: dspic33fj128mc204
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

TABLE 29-1:
© 2009 Microchip Technology Inc.
Wm*Wn
Wn
Wnd
Wns
WREG
Ws
Wso
Wx
Wxd
Wy
Wyd
Field
SYMBOLS USED IN OPCODE DESCRIPTIONS (CONTINUED)
Multiplicand and Multiplier working register pair for DSP instructions ∈
{W4 * W5,W4 * W6,W4 * W7,W5 * W6,W5 * W7,W6 * W7}
One of 16 working registers ∈ {W0...W15}
One of 16 destination working registers ∈ {W0...W15}
One of 16 source working registers ∈ {W0...W15}
W0 (working register used in file register instructions)
Source W register ∈ { Ws, [Ws], [Ws++], [Ws--], [++Ws], [--Ws] }
Source W register ∈
{ Wns, [Wns], [Wns++], [Wns--], [++Wns], [--Wns], [Wns+Wb] }
X data space prefetch address register for DSP instructions
∈ {[W8] + = 6, [W8] + = 4, [W8] + = 2, [W8], [W8] - = 6, [W8] - = 4, [W8] - = 2,
X data space prefetch destination register for DSP instructions ∈ {W4...W7}
Y data space prefetch address register for DSP instructions
∈ {[W10] + = 6, [W10] + = 4, [W10] + = 2, [W10], [W10] - = 6, [W10] - = 4, [W10] - = 2,
Y data space prefetch destination register for DSP instructions ∈ {W4...W7}
[W9] + = 6, [W9] + = 4, [W9] + = 2, [W9], [W9] - = 6, [W9] - = 4, [W9] - = 2,
[W9 + W12], none}
[W11] + = 6, [W11] + = 4, [W11] + = 2, [W11], [W11] - = 6, [W11] - = 4, [W11] - = 2,
[W11 + W12], none}
Preliminary
Description
DS70291C-page 329