VRS51L3074
VRS51L3074 is FRAM-enhanced high performance 8051-based microcontroller coupled manufactured by Ramtron Corporation.
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9 SPI Interface
The SPI interface of the VRS51L3074’s provides numerous enhancements pared to other vendor offerings. The SPI interface’s key Features include:
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- - Supports four standard SPI modes (clock phase/polarity) Operates in master and slave modes Automatic control of up to four chip select lines Configurable transaction size (1 to 32 bits) Transaction size of >32 bits is possible Double Rx and TX data buffers Configurable MSB or LSB first transaction Generation frame select/load signals
SPI Control Registers
The SPICTRL register controls the operating modes of the SPI interface in master mode.
TABLE 97:SPI CONTROL REGISTER
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