3980xpi Users Manual - Data I/O Corporation

Commands
Blank Check
Electronic Erase
Memory Device Illegal Bit Check
More Commands/Device Checks/Illegal Bit Check/
Illegal Bit Check Memory Device
If you selected a memory device, the Illegal Bit Check screen for memory
devices appears. To check a memory device for illegal bits, follow these steps:
1. Select and socket a memory device.
2. Enter the parameters described below.
3. Press ENTER and the programmer begins the Illegal Bit Check. The results
are displayed in the message bar.
The following parameters appear on this screen:
� User Data Size
Specifies the size of the data block to check for illegal bits, which is usually
equals the device size or a multiple of device size for checking illegal bits of
a set. Entering 0 resets it to the device size for RAM. User Data Size works
with Total Set Size to determine the number of bytes to check in a set.
� Total Set Size
The total number of parts in the set to check for illegal bits.
� Data Word Width
Sets the number of bits in the Data Word Width. For 8-bit or larger devices,
the minimum word width equals the device width (maximum is 64). For 4bit
devices, the word width choices are 4, 8, 16, and 32, which should
match the data bus word width in the target system for the device.
� Next Device
Type the number next device in the set to check for illegal bits.
� Next Operation Begins At
This field is read-only and cannot be altered. It appears only to inform you
where (at what hex address) the next operation begins.
More Commands/Device Check/Blank Check
The Blank Check command checks a device to ensure that it is blank. To blank
check a device, follow these steps:
1. Select and socket a device.
2. Press ENTER. The programmer checks the device and responds with
OPERATION FAILED: Non-blank device if the device is non-blank, or
OPERATION COMPLETE if the device is blank.
More Commands/Device Check/Electronic Erase
This command bulk erases an electronically erasable device. It is not
necessary to use this command for most electronically erasable devices since
Electronic Erase is part of the normal programming cycle. Before programming
an electronically erasable device, the programmer checks the device and
displays a warning if the device is non-blank. If you enable the erasing of the
device, the programmer erases the device before programming the device.
Note: For information about erasing sectors on devices supporting sector
configuration, see “Device Configure” on page 4-44.
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