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.