GE IS200ITBAG1AAA gas turbine system board

Description

GE General Electric Technical Specifications: IS200ITBAG1AAA

Flexible address decoding allows the user to configure each

memory IS200ITBAG1AAA device within any 4K byte boundary of the 16M

byte addressing space. The user can choose one of the two

preselected memory configurations or, by programming a

decoder PAL, may assign any of the eight sockets to any

address range. In addition, a memory controller PAL is

utilized to accommodate IS200ITBAG1AAA different speed memory devices,

taking advantage of fast RAM access times.

The on-board I/O includes a Mostek Serial/Timer/Inter

rupt chip (ST!. MK3801) which provides an RS-232C serial

channel, two counter/timer channels, programmable Baud

rate, and programmable bus time out. In addition, the VME

SBC contains an 8-bit switch input register and a Command

Status Register (CSR). The CSR register allows software

control of the following: STI interrupt level (1-7), Bus-Time

Out status, Self Test LED control (RED/GREEN), and

Individual interrupt enable bits (1-7).

The IS200ITBAG1AAA VMEbus was designed jointly by Mostek, Motorola, and

Signetics and was introduced in October, 1981. It offers a

combination of high performance timing parameters, a

compact form factor, and the advanced functional capability

appropriate for today’s applications’ of 16-bit micro

processors’ such as the MK68000. The international

standard compact board size promotes functional modular

ity and low board cost, and it IS200ITBAG1AAA allows the user to select only

those functions needed for his application.

VME-SASI DESCRIPTION

The VME-SASI interfaces the VMEbus with a non

arbitrating Shugart Associates System Interface(SASI) bus,

which is compatible with many hard disk and floppy disk

controllers. SASI handshake control signals are monitored

and acknowledged automatically by the VME-SASI. thus

minimizing software overhead. The condition of the

interface is available through a status register.

Data transfers with a controller can be performed on a

programmed byt.e basis or by using the DMA modes. A byte

DMA mode is provided for DMA transfers to or from other

byte oriented I/O devices. The word DMA mode allows data

transfers in standard addressed memory.

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(1) Source purchase to reduce the price difference in the intermediate phase
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Lead time problem
(1) For the spot products in stock, the de

livery can be arranged on the same day after the contract payment is signed
(2) Order products and deliver according to the quoted delivery date
Xiamen Xiongba adheres to the enterprise philosophy of “improving the value of spare parts supply chain”,
For the simple purchase procedure of spare parts, ensure that they are delivered to the site in a timely manner, and help users reduce the risk of downtime caused by the shortage of spare parts
The emergency spare parts support service is complete, and the user can customize the spare parts. The quality of the spare parts is reliable. All the spare parts provided enjoy a one-year super long warranty
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