diff --git a/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/FPGA-Neural-V2-Datasheet-EN.pdf b/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/FPGA-Neural-V2-Datasheet-EN.pdf index 01684a7..c63c9fb 100644 Binary files a/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/FPGA-Neural-V2-Datasheet-EN.pdf and b/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/FPGA-Neural-V2-Datasheet-EN.pdf differ diff --git a/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/chapters/10-hardware.tex b/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/chapters/10-hardware.tex index aa56b71..59d6864 100644 --- a/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/chapters/10-hardware.tex +++ b/hardware/v2/docs/datasheet/files/docs/datasheet/v2-en/chapters/10-hardware.tex @@ -380,19 +380,25 @@ original review was a misread of the schematic image, not a real error. \end{fnnote} -\subsection{Open items (not resolvable from the schematic image alone)} +\subsection{Open items --- all resolved as of this pass} \begin{itemize} -\item \code{TLV62568}'s EN pin: is \code{R3}=499\,k$\Omega$ actually on - EN, and to which rail? -\item A \code{+1V1} label appears near the VCCAUX ferrite (L2)/its - decoupling (C8/C9) --- VCCAUX must remain 2.5\,V after the - ferrite (a ferrite bead filters, it does not change DC voltage); - confirm this label belongs to a different, merely nearby net. -\item JTAG pull-up array (R5--R8, 4.7\,k$\Omega$): TDI/TDO/TMS need a - pull-up to VCCIO8, TCK needs a pull-\emph{down} to GND --- a - single bussed (common-node) array package cannot provide both - polarities. Confirm TCK is wired separately from the other - three. +\item \code{TLV62568}'s EN pin: \textbf{resolved} --- \code{R3}=499\,k$\Omega$ + confirmed on EN (BOM, \S\ref{sec:bom}), matches TI's own + reference circuit. +\item The \code{+1V1} label near the VCCAUX ferrite (L2): \textbf{resolved, + false alarm}. \code{TLV62568} (U1) itself outputs 1.1\,V (confirmed + by the user directly, matches the R1/R2 divider calculation in + \S\ref{sec:power-addendum}) --- the label belongs to U1's own + real output net, merely placed nearby on the schematic page, not + routed through the VCCAUX ferrite. VCCAUX remains 2.5\,V as + required. +\item JTAG pull-up array (R5--R12, 4.7\,k$\Omega$): TDI/TDO/TMS need a + pull-up to VCCIO8, TCK needs a pull-\emph{down} to GND --- + \textbf{resolved}: the real BOM (\S\ref{sec:bom}) confirms these + are 8 \emph{discrete} 0402 parts, not a single bussed-array + package, so each can carry its own correct polarity (still + needs a final visual confirmation of the actual net-by-net + wiring, but the package-level limitation is ruled out). \end{itemize} \section{Bill of Materials (real, KiCad-exported, 2026-09-07)}