Merge pull request #688 from jannic/change-pll-settings

Use same USB_PLL default setting as the C SDK
rp-rs · Nov 10, 2023 · 8a68410 · 8a68410
2 parents 757a0b0 + 2b758cf
commit 8a68410
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/rp2040-hal/CHANGELOG.md b/rp2040-hal/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+## Fixed
+
+- Fixed USB PLL's VCO frequency according to updated datasheet - #688 @ithinuel, @jannic
+
 ## [0.9.0]
 
 ### MSRV

diff --git a/rp2040-hal/src/pll.rs b/rp2040-hal/src/pll.rs
@@ -127,10 +127,10 @@ pub mod common_configs {
 
     /// Default, nominal configuration for PLL_USB.
     pub const PLL_USB_48MHZ: PLLConfig = PLLConfig {
-        vco_freq: HertzU32::MHz(480),
+        vco_freq: HertzU32::MHz(1200),
         refdiv: 1,
         post_div1: 5,
-        post_div2: 2,
+        post_div2: 5,
     };
 }