поискавой системы для электроныых деталей |
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LT8920 датащи(PDF) 34 Page - List of Unclassifed Manufacturers |
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LT8920 датащи(HTML) 34 Page - List of Unclassifed Manufacturers |
34 / 51 page LT8920 Datasheet V1.1 Page 34 Jan. 2017 11.6. Framer handles packet length Framer of LT8910 will handle packet length by setting Register 41[13]=1. The first byte of payload is regarded as packet length (this length byte is not counted in the packet length). Maximum allowed packet length is 255 bytes. Framer will handle Tx/Rx start and stop. 11.6.1. Transmit Timing Tx timing diagram is shown below. After MCU writes Register 7[8]=1 and selects transmit channel (refer to Register 7 definition), the framer will automatically generate the packet using payload data from FIFO. MCU needs to fill in transmit data before framer sends trailer bits. If packet length exceeds FIFO length, the MCU will need to write FIFO data multiple times. FIFO flag indicates whether FIFO is empty in transmit state or not. Figure 7. Tx Timing Diagram when Register 41[13]= 1 (Framer Handles Packet Length). PKT and FIFO flags are Active High Write reg 7 SPI_SS Internal TX on 2us Tx on delay PA ramp up Tx package Transmit data PKT_flag FIFO_flag PKT_flag=1 after Tx packet has been sent MCU fills FIFO before framer sends trailer bits FIFO_flag=1 when FIFO is empty |
Аналогичный номер детали - LT8920 |
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Аналогичное описание - LT8920 |
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