Eurotech ED-C3 02 Spezifikationen PDF herunterladen (Seite 13)

Hardware Specifications

DPD5MAN101

3.1.5.2. Status Register (offset：0001h)

This register shows the logic of SPD Write Protect signal and input signal from carrier board.

Table 5. Status Register

bit

Name Meaning Initial Value Access

7..4

RSVD

000000

BIOS_DISABLE#

Request signal from carrier board

THRM#

1：Temperature sensor on carrier board shows a

normal value

0：Temperature sensor on carrier board is shows

an abnormal value

BATLOW#

1：battery voltage on carrier board is a normal value

0：battery voltage on carrier board is an abnormal

value

SPD_WP

WP of EEPROM for SPD

Write 0 when rewriting software

R/W

3.1.5.3. Thermal Monitor Select Register (offset：0002h)

This register selects a thermal monitor connected to the CPLD that is being read out.

Table 6. Thermal status register

bit

Name Meaning Initial Value Access

7..2

RSVD

000000

1..0

THRM_MONI_SEL

Thermal monitor temperature selected from the

following options can be read out by thermal

monitor register (offset：0003h).

11：RSVD

10：GBE_THRM (ambient temperature of

GbE(82579))

01：DDR3B_THRM (ambient temperature of

DDR3(solder side))

00：DDR3A_THRM (ambient temperature of DDR3

(component side))

R/W

3.1.5.4. Thermal Monitor Register (offset：0003h)

This register displays temperature value read out by the thermal monitor.

Table 7. Thermal Monitor Register

bit

Name Meaning Initial Value Access

7..0

THRM

Displays the temperature value read out from the

thermal monitor selected by THRM_MONI_SEL

(0 to 255℃, 1℃/LSB)

00000000

3.2. Memory

CPU-71-15 memory is shown below.

3.2.1. Main Memory

The main memory of CPU-71-15 is DDR3-1333 SDRAM. 4 GB capacity comes standard off-the-shelf

but optional versions with 1GB, 2GB, or 8GB can be specially ordered.

It supports ECC, automatically corrects 1-bit error, and also detects 2-bit errors.

3.2.2. Boot ROM

This is a SPI-FLASH memory directly-mounted on CPU-71-15 with 8MB of capacity.

It stores UEFI (functionally, the “BIOS”) code and configuration data.

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