Name: MVME147-014 Motorola 25MHz 32MB Single Board
Price: 4332 CNY
Availability: InStock

Description

The MVME147-014 has been factory tested and is shipped with factoryinstalled jumpers configured to provide the system functions required for a VMEbus system. The module is operational with the factory-installed jumpers, but to select the desired configuration and ensure proper operation of the MVME147-014, certain option modifications may be necessary.

Options are selected by installing or removing jumpers on the following headers:
❏ ROM configuration select (J1, J2)
❏ System controller select (J3)
❏ Serial port 4 clock configuration select (J8, J9)

The MVME147-014 supports various sizes of EPROMs and EEPROMs. Four 32-pin ROM/PROM/EPROM/EEPROM sockets are provided on the module. They are organized as two banks with two sockets per bank. Each pair of sockets may be individually configured. Sockets U22 and U30 form bank 1. Sockets U1 and U15 form bank 2. The banks are configured as word ports to the MPU with U22 and U1 comprising the even bytes and U30 and U15 the odd bytes. Each bank can be configured for 8K x 8, 16K x 8, 32K x 8, 64K x 8, 128K x 8, 256K x 8, 512K x 8, or 1M x 8 ROM/PROM/EPROM devices; or for 2K x 8, 8K x 8, or 32K x 8 EEPROM devices. As shipped, the module is configured for 128K x 8 ROM/PROM/ EPROM devices (Configuration #5), and the MVME147-014 debugger software EPROMs are installed in sockets U22 and U30.
Note :There are several different algorithms for erasing/writing to EEPROM devices depending on the manufacturer. The MVME147-014 supports only those devices which have a “static RAM” compatible erase/write mechanism such as Xicor X28256 or X2864H.
When you have configured the MVME147-014’s headers and installed the selected ROMs in the sockets as described previously, install the MVME147-014 module in the system as follows:
1. Turn all equipment power OFF and disconnect the power cable from the AC power source.
Connecting modules while power is applied may result in damage to components on the module.
Dangerous voltages, capable of causing death, are present in this equipment. Use extreme caution when handling, testing, and adjusting. 2. Remove the chassis cover as instructed in the equipment user’s manual. 3. Remove the filler panel(s) from the appropriate card slot(s) at the front and rear of the chassis (if the chassis has a rear card cage). If the MVME147-014 is configured as the system controller, install it in the left-most card slot (slot 1) to initiate the bus grant daisy-chain correctly. The MVME147-014 is to be installed in the front of the chassis; the MVME712 transition module may be installed in the front or rear of the chassis. Note Every MVME147-014 is assigned an Ethernet station address. The address is $08003E2xxxxx where xxxxx is the unique number assigned to the module; i.e., every MVME147-014 has a different value for xxxxx. Each Ethernet station address is displayed on a label attached to the MVME147-014’s backplane connector, P2. In addition, the xxxxx portion of the Ethernet station address is stored in BBRAM location $FFFE0778 as $2xxxxx.

MVME147-014 Motorola PDF

MVME147-014

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