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McSPI Registers
Table 24-16. McSPI System Register (MCSPI_SYST) Field Descriptions (continued)
Bit Field Value Description
3 SPIEN_3 SPIEN[3] line (signal data value)
If MCSPI_SYST[SPIENDIR] = 0 (output mode direction), the SPIENT[3] line is driven high or low
according to the value written into this register.
If MCSPI_SYST[SPIENDIR] = 1 (input mode direction), this bit returns the value on the SPIEN[3]
line (high or low), and a write into this bit has no effect.
2 SPIEN_2 SPIEN[2] line (signal data value)
If MCSPI_SYST[SPIENDIR] = 0 (output mode direction), the SPIENT[2] line is driven high or low
according to the value written into this register.
If MCSPI_SYST[SPIENDIR] = 1 (input mode direction), this bit returns the value on the SPIEN[2]
line (high or low), and a write into this bit has no effect.
1 SPIEN_1 SPIEN[1] line (signal data value)
If MCSPI_SYST[SPIENDIR] = 0 (output mode direction), the SPIENT[1] line is driven high or low
according to the value written into this register.
If MCSPI_SYST[SPIENDIR] = 1 (input mode direction), this bit returns the value on the SPIEN[1]
line (high or low), and a write into this bit has no effect.
0 SPIEN_0 SPIEN[0] line (signal data value)
If MCSPI_SYST[SPIENDIR] = 0 (output mode direction), the SPIENT[0] line is driven high or low
according to the value written into this register.
If MCSPI_SYST[SPIENDIR] = 1 (input mode direction), this bit returns the value on the SPIEN[0]
line (high or low), and a write into this bit has no effect.
4043
SPRUH73H–October 2011–Revised April 2013 Multichannel Serial Port Interface (McSPI)
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