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AN3139 Datasheet(PDF) 9 Page - STMicroelectronics |
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AN3139 Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 63 page  AN3139 STM8L family compatibility Doc ID 16993 Rev 3 9/63 1.2 Fully compatible blocks The STM8L family embeds a set of system blocks which are by definition common to all products. Those blocks are identical, so they have the same structure, registers and control bits. There is no need to perform any software change to keep the same functionality at the application level after migration. When external components are needed (e.g. Vcap capacitor) no change is required from one product to another. All the features and behaviors remain the same. These blocks are shown in Figure 1: STM8L family block diagram. Fully compatible parts and peripherals are: ● STM8 core ● Debug / SWIM module ● Power-on reset (POR) ● Voltage regulator ● Low speed internal RC (LSI) ● High speed internal RC (HSI) ● Independent watchdog ● Timers (TIM2, TIM3 and TIM4) ● IR (infrared interface) 1.3 Blocks that are compatible with minor exceptions Some of the peripherals or functional blocks can have differences in their electrical parameters, structure, registers, control bits or other minor aspects but not in their main functionality. SPI SPI SPI1 SPI1 SPI1/SPI2 USART USART USART1 USART1 USART1/USART2/USART3 LCD Not available Yes Yes Yes AES Not available Not available Not available Yes(1) 1. Available on high-density STM8L16x devices only. Table 1. Overview of STM8L family peripherals (continued) Peripheral STM8L10x STM8L15x/STM8L16x Low density STM8L10x Low density STM8L15x Medium density STM8L15x Medium+/High density STM8L15x/ High density STM8L16x |
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