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% Packages
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\usepackage{multicol}           % Allows multicols in tables
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\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{racheleva}
\pdfinfo{
  /Title (eiot-1.pdf)
  /Creator (Cheatography)
  /Author (racheleva)
  /Subject (EIOT 1 Cheat Sheet)
}

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% Commands
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\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{EIOT 1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{racheleva} via \textcolor{DarkBackground}{\uline{cheatography.com/217931/cs/48022/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}racheleva \\
  \uline{cheatography.com/racheleva} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 28th April, 2026.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Embedded System}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{specialized computer system; specific function; combining hardware and software} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Washing Machine (wash cycles, water levels), Automobile Airbag System (detect collision and deploy airbag)} \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Assembly language}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{direct control over hardware and registers} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{highly efficient + compact code} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{precise timing + real-time control} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{low-level device drivers; ISR routines} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{RISC vs. CISC}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{RISC}} & {\bf{CISC}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
small set of simple instructions & large set of complex instructions \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
fixed-length & variable-length \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
one instruction in one clock cycle & instructions take multiple cycles \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
software optimization & hardware optimization \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Harvard vs. Von Neumann}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Harvard  }} & {\bf{ Von Neumann }} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
modern architecture based on Harvard Mark I relay based model. & ancient computer architecture based on stored program computer concept \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
instructions + data → different memory; buses & instructions + data → same physical memory; common bus \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
an instruction in single cycle & two clock cycles for single instruction \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{parallel port programming}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{control multiple data lines simultaneously} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{send + receive data in parallel} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{configure + access I/O port registers} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Faster data transfer} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{data transfer instructions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Move data between registers, memory, and I/O ports% Row Count 1 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.83689 cm} x{2.14011 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Microprocessor vs. Microcontroller}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Microprocessor}} & {\bf{Microcontroller}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
single CPU on chip & CPU, I/O, memory on chip \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
requires external RAM, ROM and I.O devices & all internal \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
general-purpose & specific embedded applications \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
higher processing power & moderate \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
higher power consumption & low \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
more expensive & cost effective \tn 
% Row Count 13 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Instruction Set}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{interface between hardware and software} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Controls data movement (I/O and peripheral), arithmetic, and logic operations} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{program flow control (branching, looping)} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Instructions supported by 8051}}} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{\bf{Data Transfer Instructions }} & MOV, MOVC, and MOVX (internal/external, code memory) \{\{nl\}\}PUSH and POP (stack)\{\{nl\}\}XCH and XCHD (between accumulator \& registers /memory) \tn 
% Row Count 12 (+ 7)
% Row 5
\SetRowColor{white}
{\bf{1. Arithmetic }} & ADD, ADDC, SUBB, INC, and DEC; MUL AB and DIV AB (8 bit numbers) \tn 
% Row Count 15 (+ 3)
% Row 6
\SetRowColor{LightBackground}
{\bf{2. Logical }} & AND, OR, XOR, complement, rotate, NOT\{\{nl\}\}ANL, ORL, XRL, CLR, CPL, RL, and RRC \tn 
% Row Count 19 (+ 4)
% Row 7
\SetRowColor{white}
{\bf{3. Bit Manipulation }} & SETB, CLR, JB, JNB, and JBC \{\{nl\}\}Set, clear, complement, and test bits \tn 
% Row Count 23 (+ 4)
% Row 8
\SetRowColor{LightBackground}
{\bf{Control Instructions}} & Branching; subroutine calls (ACALL, LCALL), returns (RET, RETI), Boolean operations, and NOP for no operation \tn 
% Row Count 28 (+ 5)
% Row 9
\SetRowColor{white}
{\bf{4. Branching }} & SJMP, LJMP, DJNZ\{\{nl\}\}Jump, call, return, and loop control \tn 
% Row Count 31 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Instruction Set (cont)}}  \tn
% Row 10
\SetRowColor{LightBackground}
{\bf{5. Boolean }} & single-bit variables and carry flag \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Arithmetic instructions affect Carry (CY), Auxiliary Carry (AC), and Overflow (OV) flags.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Microcontroller architecture (8051)}}  \tn
% Row 0
\SetRowColor{LightBackground}
1. CPU (Central Processing Unit) & 8-bit (arithmetic+logical)\{\{nl\}\}ALU; internal registers; program counter \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
2. Program Memory (ROM / Flash) & 4KB; program storage (cannot be modified) \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
3. Data Memory (RAM) & 128 bytes (temporary); 4 register banks (8 registers each) \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
4. Input/Output (I/O) Ports & four 8 bit (32 pins); bidirectional \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
5. Timers and Counters & two 16 bit (for 8051); hardware based delay \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{1. Select Timer Mode}} & 16-bit or 8-bit \tn 
% Row Count 15 (+ 2)
% Row 6
\SetRowColor{LightBackground}
{\bf{2. Load Timer Register }} & initial value so timer overflows after desired time \tn 
% Row Count 18 (+ 3)
% Row 7
\SetRowColor{white}
{\bf{3. Start Timer }} & set control bits (counting) \tn 
% Row Count 20 (+ 2)
% Row 8
\SetRowColor{LightBackground}
{\bf{4. Wait for Overflow Flag }} & monitor overflow flag (TFx) \tn 
% Row Count 22 (+ 2)
% Row 9
\SetRowColor{white}
{\bf{5. Stop Timer \& Clear Flag }} & Reset for next use \tn 
% Row Count 24 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{6. Interrupt Control} \tn 
% Row Count 25 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Interrupt}} - temporarily halt normal execution. \{\{nl\}\} execute a specific interrupt service routine (ISR)} \tn 
% Row Count 28 (+ 3)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{immediate response to external or internal events; real-time} \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Microcontroller architecture (8051) (cont)}}  \tn
% Row 13
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{7. Serial Communication Interfaces} \tn 
% Row Count 1 (+ 1)
% Row 14
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{8. Clock / Oscillator} \tn 
% Row Count 2 (+ 1)
% Row 15
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{9. Power Supply and Reset Circuit} \tn 
% Row Count 3 (+ 1)
% Row 16
\SetRowColor{white}
{\bf{Program Status word}} & 8-bit wide; 6 active flags; 2 user-defined bits \tn 
% Row Count 6 (+ 3)
% Row 17
\SetRowColor{LightBackground}
{\bf{Accumulator }} & Stores operands and results of arithmetic and logic operations \tn 
% Row Count 9 (+ 3)
% Row 18
\SetRowColor{white}
{\bf{Program Counter }} & holds address of next instruction to be executed \tn 
% Row Count 12 (+ 3)
% Row 19
\SetRowColor{LightBackground}
{\bf{Stack Pointer }} & point to top of the stack \tn 
% Row Count 14 (+ 2)
% Row 20
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Special Function Registers}} 8051} \tn 
% Row Count 15 (+ 1)
% Row 21
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{control + configure peripherals (/O ports, timers/counters, serial communication, and interrupts)\{\{nl\}\}CPU control and status information\{\{nl\}\}direct access to hardware\{\{nl\}\}special operations beyond general purpose} \tn 
% Row Count 20 (+ 5)
% Row 22
\SetRowColor{white}
{\bf{Data Pointer}} & 16-bit user-accessible register; access external memory \tn 
% Row Count 23 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{In the RAM, only one register bank can be active at a time}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{fig. 1}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/racheleva_1777378073_image (3).png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.64241 cm} x{3.33459 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Addressing modes}}  \tn
% Row 0
\SetRowColor{LightBackground}
Immediate Addressing & transfers data (8 bit constant) directly to destination\{\{nl\}\}MOV A, \#6AH\{\{nl\}\}instructions are 2 bytes long, execute in 1 cycle \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
Register Addressing & specifies the memory address \{\{nl\}\}MOV A, 04H \tn 
% Row Count 7 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Direct Addressing & uses register names (R0–R7) \{\{nl\}\}MOV A, R4 \{\{nl\}\}1 byte and 1 cycle \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
Indirect Addressing & address of data inside a register\{\{nl\}\}MOV A, @R0 \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Indexed Addressing & accessing data from program memory using MOVC\{\{nl\}\}MOVC A, @A+DPTR \{\{nl\}\}2 machine cycles \tn 
% Row Count 16 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Timers and counters}}  \tn
% Row 0
\SetRowColor{LightBackground}
Timer0, Timer1 & 16 bit; accessed using two 8-bit registers: THx and TLx. \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{internal clock → derived from external crystal oscillator} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{timer clock frequency is 1/12th of the crystal frequency (machine cycle frequency)} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{TMOD register}}} \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{8-bit register; select timer mode + operations} \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{lower 4 → Timer0; upper 4 → Timer1} \tn 
% Row Count 9 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{GATE bit → enables timer (when external interrupt pin + run control bit active)} \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{C/T bit → selects between timer (internal clock) and counter mode (external pulses)} \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Modes}}} \tn 
% Row Count 14 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Mode 0 - 13-bit timer; 8 bits of THx and 5 bits of TLx} \tn 
% Row Count 16 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Mode 1 - 16-bit timer; THx and TLx form a full 16-bit counter.} \tn 
% Row Count 18 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Mode 2 - 8-bit auto-reload; TLx reloads automatically from THx after overflow.} \tn 
% Row Count 20 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Mode 3 - splits Timer0 into two 8-bit timers; Timer1 stops functioning} \tn 
% Row Count 22 (+ 2)
% Row 13
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{TCON register}}} \tn 
% Row Count 23 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{controls timer operation and contains overflow flags (TF0, TF1) and run control bits (TR0, TR1).} \tn 
% Row Count 25 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{fig. 2}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/racheleva_1777381036_image (4).png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{fig. 3}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/racheleva_1777383226_image (5).png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}