# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Protego

# PIC24FJ32MC10X -- Family Data Sheet

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PIC24FJ16MC101/102 AND PIC24FJ32MC101/102/104
DS39997C-page 244 Preliminary © 2011-2012 Microchip Technology Inc.
Most instructions are a single word. Certain double-
word instructions are designed to provide all the
required information in these 48 bits. In the second
word, the 8 MSbs are ‘0’s. If this second word is exe-
cuted as an instruction (by itself), it will execute as a
NOP.
The double-word instructions execute in two instruction
cycles.
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 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.
Note: For more details on the instruction set,
refer to the “16-bit MCU and DSC Pro-
grammer’s Reference Manual (DS70157).
TABLE 24-1: SYMBOLS USED IN OPCODE DESCRIPTIONS
Field Description
#text Means literal defined by “text”
(text) Means “content of text”
[text] Means “the location addressed by text”
{ } Optional field or operation
<n:m> Register bit field
.b Byte mode selection
.d Double-Word mode selection
.S Shadow register select
.w Word mode selection (default)
Acc One of two accumulators {A, B}
AWB Accumulator write back destination address register ∈ {W13, [W13]+ = 2}
bit4 4-bit bit selection field (used in word addressed instructions) ∈ {0...15}
C, DC, N, OV, Z MCU Status bits: Carry, Digit Carry, Negative, Overflow, Sticky Zero
Expr Absolute address, label or expression (resolved by the linker)
f File register address ∈ {0x0000...0x1FFF}
lit1 1-bit unsigned literal ∈ {0,1}
lit4 4-bit unsigned literal ∈ {0...15}
lit5 5-bit unsigned literal ∈ {0...31}
lit8 8-bit unsigned literal ∈ {0...255}
lit10 10-bit unsigned literal ∈ {0...255} for Byte mode, {0:1023} for Word mode
lit14 14-bit unsigned literal ∈ {0...16384}
lit16 16-bit unsigned literal ∈ {0...65535}
lit23 23-bit unsigned literal ∈ {0...8388608}; LSb must be ‘0’
None Field does not require an entry, can be blank
OA, OB, SA, SB DSP Status bits: ACCA Overflow, ACCB Overflow, ACCA Saturate, ACCB Saturate
PC Program Counter
Slit10 10-bit signed literal ∈ {-512...511}
Slit16 16-bit signed literal ∈ {-32768...32767}
Slit6 6-bit signed literal ∈ {-16...16}
Wb Base W register ∈ {W0..W15}
Wd Destination W register ∈ {Wd, [Wd], [Wd++], [Wd--], [++Wd], [--Wd]}
Wdo Destination W register ∈
{Wnd, [Wnd], [Wnd++], [Wnd--], [++Wnd], [--Wnd], [Wnd+Wb]}
Wm,Wn Dividend, Divisor working register pair (direct addressing)

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