document & cite Intel 4004

Author: simonrupf

Makefile

@@ -10,6 +10,7 @@ PDF_ARGS=-sDEVICE=pdfwrite\
 
 # these will be optimized for "screen"
 PDFS=ref/Intel\ Chips\ timeline.pdf\
+     ref/Intel\ 4004.pdf\
      ref/Intel\ 8085.pdf\
      ref/MOS\ 6510.pdf
 
@@ -41,6 +42,7 @@ ref/Hitachi\ HD64180\ Hardware\ Manual\ 4th\ Edition.pdf: ref/originals/HD64180Z
 	rm /tmp/HD64180-?.pdf
 
 ref/Intel\ Chips\ timeline.pdf: ref/originals/Intel\ Chips\ timeline.pdf
+ref/Intel\ 4004.pdf: ref/originals/Intel\ 4004.pdf
 ref/Intel\ 8085.pdf: ref/originals/Intel\ 8085.pdf
 ref/MOS\ 6510.pdf: ref/originals/MOS\ 6510.pdf
 

ref/Intel 4004.pdf

@@ -118,7 +118,8 @@ \section{Introduction}
 numbers are supported as 2 word data type, all other data are 1 word, erasable memory
 addresses need 8 bits, fixed memory addresses require 16} \cite{agc} & 1961 & 15/30 & 15/30 & 8/16 & N/A & Apollo Spacecraft \\
 \hline
-Intel 4004 & 1971 &  &  &  &  &  \\
+Intel 4004\tablefootnote{bus has one pin to select ROM and 4 pins to select the RAM bank,
+4 pins are used bi-directional for both address selection and data transfers} \cite{intel4004} & 1971 & 8/16 & 4 & 12 & 9 & Busicom 141-PF \\
 \hline
 Intel 8008\tablefootnote{bus is used bi-directional for both address selection and data
 transfers} \cite{intel8008} & 1972 & 8/16/22 & 8 & 14 & 8 & MCS-8, Mark-8 \\
@@ -412,6 +413,11 @@ \subsection{Texas Instruments TMS9900}
 \textit{Intel Chips timeline}.
 Intel Corporation, 2012.
 
+\bibitem{intel4004}
+\textit{Intel 4004 SINGLE CHIP 4-BIT P-CHANNEL MICROPROCESSOR}.
+Address \& Bus: Page 2, Instructions \& Data: Page 3.
+Intel Corporation, March 1987.
+
 \bibitem{intel8008}
 \textit{Intel 8008/8008-1 EIGHT-BIT MICROPROCESSOR}.
 Address: Page 1, Bus: Page 2, Instructions \& Data: Page 3.