Chapter 2: Introduction
28
Module Management Controller (MMC)
The AMC131 includes a Module Management Controller (MMC) based on the Atmel
ATMEGA128L-8MU, which interfaces to the local Intelligent Platform Management bus (IPMB-
L). The MMC monitors and controls the module's payload per the PICMG AMC.0 specification.
Chapter 5, “System Monitoring and Alarms,” on page 53
for more information on MMC
functionality, supported commands, AMC131 sensors, and the firmware upgrade process.
The AMC131 is compliant with standard
Intelligent Platform Management Interface v1.5
Specification
functionality. See
“Module Management Controller,” on page 107
about this specification.
Sensors
The following sensors are monitored on the AMC131:
•
Air intake temperature sensor
•
MPC8641D built in temperature sensor
•
MMC voltage monitoring (3.3V management power and 12V power to the AMC slot)
•
MMC hot-swap switch sensor
For more information on AMC131 sensors,
Chapter 5, “System Monitoring and Alarms,” on
Universal Serial Bus
The AMC131 has one Universal Serial Bus (USB) port on the front panel (see
“AMC131 Front Panel,” on page 23
). This USB 2.0 port is supported by the Philips ISP1160
dual-port host controller.
For USB pinout information, see
“Console Port Connector (J2),” on page 45
Console Port
The front panel console port (see
Figure 2-1, “AMC131 Front Panel,” on page 23
) is an RJ-11
connector with RS-232 signal levels and 15 KV ESD protection. This port is pinned out for Data
Terminal Equipment (DTE) operation. Request-to-send (RTS), clear-to-send (CTS) and
modem-control signals are not supported.
There are two options for connectivity through this connector
•
Module Management Controller
•
Payload module
Although two Universal Asynchronous Receiver/Transmitter (UARTS) are provided on the
MPC8641D, only Port 0 is connected to the transceiver. Port 1 is used as a host interface for
communication to/from the MMC.
), the user can toggle between the processor and the MMC
console ports with a single break character. A double break (break-break), when enabled (via
register 8), causes a hard reset to the processor.
Содержание AMC131
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