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Total number of high sink I/Os in each package. Overview of ADC supply and ADC reference pins used in all packages. Overview of power supply pins used in all packages. STM8S103x migration between 32-pin and 20-pin packages. STM8S105x migration between 44-pin and 32-pin packages. STM8105x migration between 48-pin and 44-pin packages. STM8S207x migration between 44-pin and 32-pin packages. STM8S207x migration between 48-pin and 44-pin packages. STM8S207x migration between 64-pin and 48-pin packages. STM8S20xx migration between 80-pin and 64-pin packages. Migration between STM8S903 and STM8S103 32-pin packages. Migration between STM8S105 and STM8S903 32-pin packages. Migration between STM8S105 and STM8S103 32-pin packages. Migration between STM8S207 and STM8S105 32-pin packages. Migration between STM8S207 and STM8S105 48-pin or 44-pin packages. Migration between STM8S208 and STM8S207 80-pin or 64-pin packages. STM8S family compatibility quick reference table. ĪDC power supply and voltage reference in package pinout. ģ.1.2 Migration to a package with different pin-count within the same sub-family 15
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Migration from one sub-family to another one. īlocks that are compatible with significant exceptions. īlocks that are compatible with minor exceptions. Section 3: Block-by-block compatibility: This section lists all the topics for each block, focussing on the compatibility aspects in more detail.It provides a checklist of items which are potentially impacted by each case to allow you to quickly analyze which subjects you need to anticipate. Section 2: Planning for migration: This section gives an overview of common migration cases.The microcontroller blocks and peripherals are grouped and identified either as compatible or compatible with minor limitations. Section 1: STM8S family compatibility: This section presents a first level view of the different aspects of the STM8S family architecture that are important to consider when planning a new design or migrating.This document is divided into three main sections:
STM8 COSMIC FIRST PARAMETER MANUAL
To use this application note fully, general STM8S knowledge is required, you can learn it from the STM8S family reference manual (RM0016), the STM8S datasheets, and the STM8S Flash program memory / data EEPROM programming manual (PM0051). Studying the issues now will help you tackle any future requirement by designing for compatibility from the beginning. To save your time, this application note groups together all the most important information and lists the vital aspects that you need to address.Īll the information included here can also be extremely worthwhile in your first STM8 design, not immediately concerned by a migration project. This application note is written to help you and analyze the steps you need to migrate from an existing STM8S-based design to any one of the 20+ other microcontroller types in the fast-growing STM8S family. On the other hand, cost reduction objectives may force you to switch to smaller components and shrink the PCB area.
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Migrating an application to a different microcontroller is often needed, when product requirements grow, putting extra demands on memory size, or increasing the number of I/Os. Migration and compatibility guidelines for STM8S microcontroller applicationsįor designers of STM8S microcontroller applications, it’s important to be able to easily replace one microcontroller type by another one in the same product family.