MEN BL51E, Руководство пользователя

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Functional Description
20BL51E00 E2
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2020-03-27 Page 46
3.2 CPU
3.2.1 Processor Core
The following CPU types are supported:

Intel Atom x5-E3930, dual core, 1.3 GHz, 6.5 W TDP (on request)

Intel Atom x5-E3940, quad core, 1.6 GHz, 9.5 W TDP (on request)

Intel Atom x7-E3950, quad core, 1.6 GHz, 12 W TDP
3.3 Supervision and Management
The BL51E provides an intelligent board management controller (BMC) with the
following main features:

System watchdog

Operating hours counter

Power cycle counter
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Voltage supervision

Error state logging

Temperature measurement
3.3.1 Watchdog
The watchdog device monitors the CPU board on operating system level. If enabled, the
watchdog must be triggered by application software. If the trigger is overdue, the
watchdog initiates a board reset and in this way can put the system back into operation
when the software hangs.
The watchdog unit can be enabled or disabled, as required and the watchdog timeout
can be set in 100-ms steps from 100 ms up to 1:49:10 (hh:mm:ss) - 65536 steps.
3.3.2 Temperature Measurement
The BL51E uses a temperature device to measure the local CPU board temperature. The
temperature device is connected to the BMC via I2C, and is supported by the firmware.
The board management controller supervises the CPU board, not the
system.