# Release Notes for AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" firmware Copyright 2009 STMicroelectronics
## Contents What's New in AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" V3.0.0 What is AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers"? AN2557 AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" update History License ## What's New in AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" V3.0.0 The AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" V3.0.0 is an update of V2.0.2 that makes the application note compliant with the Cortex™ microcontroller software interface standard (CMSIS). ## What is AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers"? The AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" gives general guidelines to emulate a 32-bit timer. The two basic operating modes, that is the input capture mode and the output compare mode, are presented. Each mode is treated independently and, each time, examples of applications are provided. The AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" is full CMSIS compliant. ## AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" update History ### V3.0.0 - 04/27/2009 AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" updated with STM32F10x Standard Peripherals Library (StdPeriph_Lib) V3.0.0 AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" is full CMSIS compliant AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers" Package Architecture is enhanced For more details, please refer to AN2953 "How to migrate from the STM32F10xxx firmware library V2.0.3 to the STM32F10xxx standard peripheral library V3.0.0". ### V2.0 - 06/13/2008 Update with STM32F10x FWLib V2.0.1 to support the extra peripherals and features embedded in the STM32 High-density devices. For more details about this example implementation, please refer to the AN2592 "How to achieve 32-bit timer resolution using the link system in STM32F101xx and STM32F103xx microcontrollers", available for download from the ST microcontrollers website: www.st.com/stm32 Glossary Medium-density devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 32 and 128 Kbytes. High-density devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 256 and 512 Kbytes. ### V1.0 - 10/08/2007 Updated with STM32F10x FWLib V1.0 'OutputCompareActiveMode' example Add project with RIDE toolchain main.c change "TIM_ICSelection_TRGI" by "TIM_ICSelection_TRC" 'OutputCompareToggleMode' example Add project with RIDE toolchain main.c change "TIM_ICSelection_TRGI" by "TIM_ICSelection_TRC" ### V0.1 - 08/27/2007 Created. ## License The enclosed firmware and all the related documentation are not covered by a License Agreement, if you need such License you can contact your local STMicroelectronics office. THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. For Complete on STM32(CORTEX M3) 32-Bit Microcontrollers visit www.st.com/STM32