AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

1

EVLA Monitor and Control

Module Interface Board (MIB) Design

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

2

MIB Block Diagram

EthernetInterface

EmbeddedController

FlashM emory

ResetLogic

ParallelInterface

SerialInterface

ControlLogic

TimingLogic

TC11IB

Power

M IB B lock D iagram

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

3

Embedded Controller

• Infineon TRICore TC11IB System On a CHIP

12 MHZ External Clock

1.5 MBytes RAM

Hardware, Software & Watchdog ResetsSleep Modes Six Thirty-Two Bit Timers

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

4

Embedded Controller

• Infineon TC11IB – Interfaces Media Independent Interface (Ethernet) Two Asynchronous Serial Ports One Synchronous Serial Port (SPI) External Bus Unit (EBU)

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

5

Ethernet Interface

• Ethernet Interface – 100 MBits/second

Translation Chip – Intel LXT971A

Fiber Optic Transceiver – Infineon

V23809-C8-C10

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

6

Flash Memory

• Flash Memory Serial Flash or Parallel Flash (8MByte)

Serial Flash?

Parallel Flash – AMD Am30LV0064D

All Code Documented

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

7

Power & Reset Logic

• Power & Reset Logic

Power Regulator & Supervisor

Texas Instruments TPS70351PWP

Watchdog Protection – TC11IB

Devices will get User Reset and MIB Reset

Devices Must Reset into Safe Condition

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

8

Timing Logic

• Timing Logic

19.2 Hz Timing Signal (Heartbeat)

1 PPS Timing Signal?

10 Second Timing Signal?

Devices May Require Precise Timing

Hardware Timing

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

9

Parallel Interface

• Parallel Interface External Bus Unit

Thirty-Two Bits Data Transfer (8, 16 or 32)

Address Lines (Twenty-Four Possible)

Texas Instruments SNLVTH32(244/245)

LVTTL Outputs, TTL Compatible

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

10

Control Logic

• Control Logic Peripheral Interface Signals

RD*, WR*, ALE, WAIT*, CS* Lines

Resets*, SPI, etc.

Texas Instruments SNLVTH32244

LVTTL Outputs, TTL Compatible

AuthorWayne M. Koski

EVLA Monitor & Control Software PDRMay 14 & 15, 2002

11

Serial Interfaces

• Serial Interfaces Asynchronous Ports

One RS232 Modem Port (Auto Off) Maxim MAX3225CAP RS485 Port?

Synchronous Ports Serial Peripheral Interface Port – SPI