Motorola ATCA-717 用户手册

Devices’ Features and Data Paths

FPGA

118

PENT/ATCA−717

S LEDs

S Version register

Serial Interface

The FPGA provides routing options of one of the two serial interfaces provided by the
Southbridge. This feature is intended for Motorola−internal purposes and should be
ignored. .

Reset Mask and Source Register

The FPGA provides two registers which allow to obtain the last reset source and to mask
resets. See

section "Reset Registers" on page

139.

Flash Control Register

The FPGA provides one register which allows to monitor the boot and user flash
write−protection status as well as to control the write−protection of the boot flash boot
block. See

section "Flash Control and Status Register" on page

141

PMC Status Register

The FPGA provides one register which allows to monitor the status of the four PMC sites.
See

section "PMC Status Register" on page

143

Shut−Down Register

The FPGA provides one register which allows to control the blades’ FRU−EN signal.
See

section "Shut Down Register" on page

143

LEDs

The FPGA provides a register to control the HDD LED available at the face plate. This
LED indicates the combined parallel and serial ATA activity or is operated in user LED
mode. See