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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST90135 датащи(PDF) 104 Page - STMicroelectronics |
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ST90135 датащи(HTML) 104 Page - STMicroelectronics |
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104 / 190 page  104/190 ST90158 - MULTIFUNCTION TIMER (MFT) MULTIFUNCTION TIMER (Cont’d) The configuration of each input is programmed in the Input Control Register. Each of the two output pins can be driven from any of three possible sources: – Compare Register 0 logic – Compare Register 1 logic – Overflow/Underflow logic Each of these three sources can cause one of the following four actions, independently, on each of the two outputs: – Nop, Set, Reset, Toggle In addition, an additional On-Chip Event signal can be generated by two of the three sources men- tioned above, i.e. Over/Underflow event and Com- pare 0 event. This signal can be used internally to synchronise another on-chip peripheral. Five maskable interrupt sources referring to an End Of Count condition, 2 input captures and 2 output compares, can generate 3 different interrupt re- quests (with hardware fixed priority), pointing to 3 interrupt routine vectors. Two independent DMA channels are available for rapid data transfer operations. Each DMA request (associated with a capture on the REG0R register, or with a compare on the CMP0R register) has pri- ority over an interrupt request generated by the same source. A SWAP mode is also available to allow high speed continuous transfers (see Interrupt and DMA chapter). Figure 59. Detailed Block Diagram 9 |
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