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NUC240-RD2E Fiches technique(PDF) 84 Page - Nuvoton Technology Corporation |
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NUC240-RD2E Fiches technique(HTML) 84 Page - Nuvoton Technology Corporation |
84 / 107 page NUC100/120xxxDN Aug 31, 2015 Page 84 of 107 Rev 1.01 Serial Peripheral Interface (SPI) 6.18 6.18.1 Overview The Serial Peripheral Interface (SPI) is a synchronous serial data communication protocol that operates in full duplex mode. Devices communicate in Master/Slave mode with the 4-wire bi- direction interface. The NuMicro ® NUC100 series contains up to four sets of SPI controllers performing a serial-to-parallel conversion on data received from a peripheral device, and a parallel-to-serial conversion on data transmitted to a peripheral device. Each set of SPI controller can be configured as a master or a slave device. The SPI controller supports the variable serial clock function for special applications and 2-bit Transfer mode to connect 2 off-chip slave devices at the same time. This controller also supports the PDMA function to access the data buffer and also supports Dual I/O Transfer mode. 6.18.2 Features Up to four sets of SPI controllers Supports Master or Slave mode operation Supports 2-bit Transfer mode Supports Dual I/O Transfer mode Configurable bit length of a transfer word from 8 to 32-bit Provides separate 8-layer depth transmit and receive FIFO buffers Supports MSB first or LSB first transfer sequence Two slave select lines in Master mode Supports the byte reorder function Supports Byte or Word Suspend mode Variable output serial clock frequency in Master mode Supports PDMA transfer Supports 3-wire, no slave select signal, bi-direction interface |
Numéro de pièce similaire - NUC240-RD2E |
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Description similaire - NUC240-RD2E |
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