raulcxw opened a new pull request, #19358:
URL: https://github.com/apache/nuttx/pull/19358
## Summary
Rewrite the RTL8721Dx / PKE8721DAF and RTL8720F / RTL8720F-EVB
documentation
pages against the official Realtek product specifications, from an
application-developer point of view:
- Describe the application core NuttX runs on — an Arm
Cortex-M55-compatible
core, up to 345 MHz on RTL8721Dx (KM4) and 320 MHz on RTL8720F (KM4TZ) —
and
the on-chip memory, instead of the internal multi-core / IPC arrangement
that
is not relevant to application developers.
- Fix the RTL8721Dx SRAM size: 512 KB (was incorrectly documented as 288
KB).
- Add per-part memory, wireless, peripheral and security highlights
(RTL8721Dx: Wi-Fi 4 dual-band + BLE 5.0; RTL8720F: Wi-Fi 6 2.4 GHz + BLE
+
Thread; RTL8721DAF / RTL8720FBF: 4 MB NOR flash, 512 KB SRAM).
- Correct the SDK source URL (github.com/Ameba-AIoT/ameba-rtos) and drop
stale
claims (out-of-SDK patch, "BLE not yet").
## Impact
Documentation only — no code, build, or functional change. Touches
`Documentation/platforms/arm/rtl8721dx/` and `.../rtl8720f/` pages.
## Testing
Proofread the reStructuredText against the official Realtek specifications
and
verified the pages render (Sphinx doc build) with correct formatting and
cross-references. No source paths are affected.
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