Table 8-222, Configuration prom update data register, Cpld and fpga – Artesyn ATCA-8310 Installation and Use (May 2014) User Manual
Page 426: 2 configuration prom update data register

CPLD and FPGA
ATCA-8310 Installation and Use (6806800M72E)
426
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