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raul_chen
cce73da215
Rewrite the RTL8721Dx / PKE8721DAF and RTL8720F / RTL8720F-EVB 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 up to 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 (RTL8721DAF and RTL8720FBF: 4 MB NOR flash, 512 KB SRAM), wireless (RTL8721Dx: Wi-Fi 4 dual-band + BLE; RTL8720F: Wi-Fi 6 2.4 GHz + BLE + Thread), peripheral and security highlights. Signed-off-by: raul_chen <raul_chen@realsil.com.cn>