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Serial interface, Reset mask and source register, Flash control register – Motorola ATCA-717 User Manual

Page 118: Pmc status register, Shut−down register, Leds, Version register

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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. .

a

Reset Mask and Source Register

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

a

section "Reset Registers" on page

a

139.

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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

a

section "Flash Control and Status Register" on page

a

141

PMC Status Register

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

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section "PMC Status Register" on page

a

143

Shut−Down Register

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

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section "Shut Down Register" on page

a

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

a

section "LED Control Register" on page

a

142.

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Version Register

This register allows to obtain the current FPGA version. See

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section "Version Register" on

page

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147.

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