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データシートサーチシステム |
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データシートサーチシステム |
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ISD94100 データシート(PDF) 67 Page - Nuvoton Technology Corporation |
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ISD94100 データシート(HTML) 67 Page - Nuvoton Technology Corporation |
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67 / 109 page  ISD94100 Series Datasheet Sep 09, 2019 Page 67 of 109 Rev1.13 6.14 Serial Peripheral Interface (SPI) 6.14.1 Overview The Serial Peripheral Interface (SPI) is a synchronous serial data communication interface. SPI devices communicate in full duplex mode using a master-slave architecture. The single master and the slave(s) communicate bi-directionally through a 4-wire interface. The ISD94100 series contains up to three sets of SPI controllers which perform serial-to-parallel conversion when receiving data from a peripheral device, and parallel-to-serial conversion when transmitting data to a peripheral device. Each SPI controller can be configured as a master or a slave device. SPI0 controller supports 2-bit Transfer mode to perform full-duplex 2-bit data transfer and also supports Dual and Quad I/O Transfer mode. SPI1 and SPI2 controllers support I2S mode to connect external audio CODEC. Each SPI controller supports the PDMA function to access the data buffer. 6.14.2 Features SPI Mode Up to three sets of SPI controllers Supports Master or Slave mode operation Master mode up to 25 MHz and Slave mode up to 25 MHz (when chip works at VDD = 2.7~3.6V) Supports 2-bit Transfer mode (SPI0 Only) Supports Dual and Quad I/O Transfer mode (SPI0 Only) Configurable bit length of a transaction word from 8 to 32-bit Provides separate 4-/8-level depth transmit and receive FIFO buffers Supports MSB first or LSB first transfer sequence Supports Byte Reorder function Supports Byte or Word Suspend mode Supports PDMA transfer Supports 3-Wire, no slave selection signal, bi-direction interface (SPI0 Only) Supports one data channel half-duplex transfer Support receive-only mode I2S Mode (for SPI1~SPI2) Supports Master or Slave Capable of handling 8-, 16-, 24- and 32-bit word sizes Each provides two 4-level FIFO data buffers, one for transmitting and the other for receiving Supports monaural and stereo audio data Supports PCM mode A, PCM mode B, I2S and MSB justified data format Supports two PDMA requests, one for transmitting and the other for receiving |
同様の部品番号 - ISD94100 |
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同様の説明 - ISD94100 |
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