Emerson ATCA-8310, Manual

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CPLD and FPGA
ATCA-8310 Installation and Use (6806800M72D )
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8.4.2.10.2 Configuration Prom Update Data Register
Address: 0xD9, CfgPrmUpdDatReg
Width: 8 bit
Holds the write data to sent to the FPGA serial configuration prom when written and the read
data received from the FPGA serial configuration prom when read.
1 ReadCmdSelect R Read type of read command for
SPI-flash
0b1: SpiReadTypeStandard,
Standard Spi read command is
used
0b0: SpiReadTypeFast, Fast Spi
read command is used - - -
0 SpiCsSet RorW Chip Select at SPI interface to
serial configuration prom
0b1: SpiCsSetHigh, Write: Drive
SPI Chip Select line high
0b0: SpiCsSetLow, Write: Drive
SPI Chip Select line low, possible
only if enabled by CodePrgIfEn
0b0: SpiCsIsHigh, Read: Status of
SPI Chip Select line is high
0b0: SpiCsIsLow, Read: Status SPI
Chip Select line is low 0b1 X X
Table 8-221 Configuration Prom Update Control Register (continued)
Bit Acronym Type Description Default Pwr Soft
Table 8-222 Configuration Prom Update Data Register
Bit Acronym Type Description Default Pwr Soft
7...0 CfgSerialPrmDat RorW A write triggers 8 SPI clocks and
shifts the data out to MOSI. The Data
on MISO is shifted in. 0x0 X X