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SN260 数据表(PDF) 81 Page - STMicroelectronics |
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SN260 数据表(HTML) 81 Page - STMicroelectronics |
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81 / 88 page  SN260 SIF module programming and debug interface 81/88 8 SIF module programming and debug interface SIF is a synchronous serial interface developed by Cambridge Consultants Ltd. It is the primary programming and debug interface of the SN260. Therefore, any design implementing the SN260 should make the SIF signals readily available. The SIF module allows external devices to read and write memory-mapped registers in real-time without changing the functionality or timing of the XAP2b core. See the SN260 reference design for details regarding the implementation of the SIF interface.Go to www.stmcu.com for details. The SIF interface provides the following: ● IC production test (especially analog) ● PCB production test ● Firmware download ● Product control and characterization The pins are: ● nSIF_LOAD ● SIF_CLK ● SIF_MOSI ● SIF_MISO The maximum serial shift speed for the SIF interface is 48MHz. SIF interface accesses can be initiated even when the chip is in idle, deep sleep, or power down modes. An edge on nSIF_LOAD wakes the chip to allow SIF cycles. |
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