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ST9 Fiches technique(PDF) 8 Page - STMicroelectronics |
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ST9 Fiches technique(HTML) 8 Page - STMicroelectronics |
8 / 146 page 8/146 ST9 USER GUIDE 2.2 PERIPHERALS The ST9 family includes a large number of peripherals. The main ones are: These peripherals are available with the standard variants. More peripherals are available on custom devices on request, e.g. a videotext decoding logic. The ST9 family includes so many variants it would go beyond the scope of this book to de- scribe them all. They are all made up of the same ST9 core surrounded by a set of peripherals, ROM and/or RAM and/or EEPROM and/or FLASH being optional. This book has chosen to show the three most generic variants and provide a basis for understanding all the others. Acronym Name Function MFT Multi-Function Timer All counting and timing functions. Includes auto-reload on con- dition, interrupt generation, DMA transfer, two inputs for fre- quency measurement or pulse counting, two outputs that can change on condition, PWM signal generation. Conditions include: overflow/underflow, comparison with one or two compare registers. Capture registers used to record transitions on inputs with their time of occurrence. SCI-M Serial Communication In- terface Asynchronous transfer with either internal bit-rate generation or an external clock. Parity generation/detection. Address recog- nition feature that can request an interrupt on match of an input character. DMA transfer. WDT Watchdog timer Can be used either as a watchdog or as a timer with input and output capable of pulse counting or waveform generation. I/O port Parallel input/output port Parallel input/output ports. Each bit individually configurable as input, output, bi-directional, or alternate function. Inputs can be high impedance or with pull-up, CMOS or TTL-level. Outputs can have open drain or push-pull configuration. ADC Analog to digital converter. 10-bit analog to digital converter. One to sixteen channels can be converted in series. On each of two of the sixteen channels, an Analog Watchdog function is used to define two thresholds. When exceeded, an interrupt is generated. |
Numéro de pièce similaire - ST9 |
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Description similaire - ST9 |
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