McCain FleX M73101R, User Manual, Page: 16 / 142

FleX Controller
– User Manual
9
Version 1.0

Two 50pos receptacle connectors to allow the Engine board to be plugged (P1 and P2).

The +5VDC backup circuit.

An ACTIVE LED driver circuit.

A 8 position connector (P3) to receive DC voltages and control signals.

One D-sub 9 positions connector (SP4) with indicator leds (Tx and Rx).

Two Ethernet switches and three Ethernet jack connectors (RJ1, RJ2, RJ3).

A USB switch.

An SPI EEPROM with factory set configuration parameters.

A twenty positions header (P8) for attaching the LCD display.

A fourteen positions header (P7) for plugging the keypad.

A buzzer (BZZ1) as an audible interface to the user.

An auxiliary switch.

Four box shrouded headers (SERIAL 1, SERIAL 2, FIO and WIFI) to connect and communicate
with the sub-assemblies installed on the controller.
2.5.1.2 Engine Board Sub-Assembly (M52284A).
This module is the brain of the FleX Controller; all computational functions are concentrated here; it
contains the CPU, memory devices, and serial interface devices providing synchronous and
asynchronous serial communications channels, Ethernet interfaces, USB interface, RTC, and a SPI bus.
It uses Linux operating system.
The board hardware features are:

CPU, it is a Freescale microprocessor is a MPC8360 at 400MHz

NOR FLASH, 16MB are provided for storing the operating system and the applications programs.

NAND FLASH, 256MB are provided for storing the operating system and the applications
programs.

SRAM, 2MB are provided for non-volatile parameter storage.

DDR2, 256MB are provided for application and OS program execution.

RTC.

Seven serial communication channels (SP1, SP2, SP3, SP4, SP5, SP6 and SP8).
SP1 and SP2 designated for asynchronous communication located on back panel.