DSPIC30F3011 Microchip Technology Inc., DSPIC30F3011 Datasheet - Page 152
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DSPIC30F3011
Manufacturer Part Number
DSPIC30F3011
Description
Dspic30f3010/3011 Enhanced Flash 16-bit Digital Signal Controller
Manufacturer
Microchip Technology Inc.
Datasheet
1.DSPIC30F3011.pdf
(220 pages)
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dsPIC30F3010/3011
Most single-word instructions are executed in a single
instruction cycle, unless a conditional test is true or the
program counter is changed as a result of the instruc-
tion. In these cases, the execution takes two instruction
cycles with the additional instruction cycle(s) executed
as a NOP. Notable exceptions are the BRA (uncondi-
tional/computed branch), indirect CALL/GOTO, all table
reads and writes and RETURN/RETFIE instructions,
which are single-word instructions, but take two or
three cycles. Certain instructions that involve skipping
over the subsequent instruction, require either two or
TABLE 21-1:
DS70141D-page 150
#text
(text)
[text]
{
<n:m>
.b
.d
.S
.w
Acc
AWB
bit4
C, DC, N, OV, Z
Expr
f
lit1
lit4
lit5
lit8
lit10
lit14
lit16
lit23
None
OA, OB, SA, SB
PC
Slit10
Slit16
Slit6
}
Field
SYMBOLS USED IN OPCODE DESCRIPTIONS
Means literal defined by “text“
Means “content of text“
Means “the location addressed by text”
Optional field or operation
Register bit field
Byte mode selection
Double-word mode selection
Shadow register select
Word mode selection (default)
One of two accumulators {A, B}
Accumulator Write Back Destination Address register ∈ {W13, [W13] + = 2}
4-bit bit selection field (used in word addressed instructions) ∈ {0...15}
MCU status bits: Carry, Digit Carry, Negative, Overflow, Zero
Absolute address, label or expression (resolved by the linker)
File register address ∈ {0x0000...0x1FFF}
1-bit unsigned literal ∈ {0,1}
4-bit unsigned literal ∈ {0...15}
5-bit unsigned literal ∈ {0...31}
8-bit unsigned literal ∈ {0...255}
10-bit unsigned literal ∈ {0...255} for Byte mode, {0:1023} for Word mode
14-bit unsigned literal ∈ {0...16384}
16-bit unsigned literal ∈ {0...65535}
23-bit unsigned literal ∈ {0...8388608}; LSB must be ‘0’
Field does not require an entry, may be blank
DSP status bits: ACCA Overflow, ACCB Overflow, ACCA Saturate, ACCB Saturate
Program Counter
10-bit signed literal ∈ {-512...511}
16-bit signed literal ∈ {-32768...32767}
6-bit signed literal ∈ {-16...16}
Confidential
three cycles if the skip is performed, depending on
whether the instruction being skipped is a single-word
or two-word instruction. Moreover, double-word moves
require two cycles. The double-word instructions
execute in two instruction cycles.
Note:
Description
For more details on the instruction set,
refer to the “dsPIC30F/33F Programmer’s
Reference Manual” (DS70157).
© 2007 Microchip Technology Inc.