4. Commands
UniSite-xpi User Manual
4-55
Sumcheck Memory
Device
For memory devices, UniSite-xpi calculates and displays the sumcheck
for a single device, for each device in a set, or for an entire set.
Follow the steps below to calculate the sumcheck for a memory device:
1.
Select and socket a memory device.
2.
Enter the parameters described below.
3.
Press E
NTER
, and UniSite-xpi calculates the 8-digit sumcheck. The
sumcheck is displayed in the message bar.
The following parameters appear on this screen:
•
Sumcheck Entire RAM
—In addition to calculating the sumchecks
for the device and set, this option specifies that the sumcheck
operation calculate the sumcheck of the entire RAM. The sumcheck
value is then displayed in the message bar.
•
Memory Begin Address
—Specifies the first address, in hex, of the
first byte of data to be sumchecked (beginning RAM address). The
default address is 0.
•
User Data Size
—Specifies the hexadecimal size of the data block to
sumcheck. This value is normally equal to the device size or a
multiple of the device size for sumchecking a set. Entering 0 resets
User Data Size to the device size for sumchecking RAM or the file
size for a sumchecking a data file.
•
Data Word Width
—Sets the word width, in bits, of the data to be
sumchecked. For 8-bit (or larger) devices, the minimum word width
is equal to the device word width and the maximum is 64. For 4-bit
devices, valid choices are 4, 8, 16, and 32. Data Word Width should
match the word width of the data bus in the target system for the
device being programmed.
•
Total Set Size
—Specifies how many virtual devices are in the set to
be sumchecked. Either enter a number between 1 and 99, or change
one of the following parameters and UniSite-xpi will calculate the
Total Set Size: Memory Begin Address, User Data Size, or Data Word
Width. UniSite-xpi uses the following equation to calculate the Total
Set Size:
•
Next Operation Begins At
—A read-only field that specifies the
address where the next sumcheck will start. This value is calculated
from the Data Word Width, Device Block Size, Memory Begin
Address, and device width.
More
Com-
mands
Sumcheck
Display
Sumcheck
Memory
Device(s)
Device
Checks
USER DATA SIZE
DATA WORD WIDTH
DEVICE WIDTH
DEVICE BLOCK SIZE
=
0987-1
TOTAL SET SIZE
Summary of Contents for UniSite-xpi
Page 2: ...981 0014 UniSite Programming System User Manual Also Covering Legacy UniSite Programmers ...
Page 72: ...2 Setup and Installation 2 42 UniSite xpi User Manual ...
Page 134: ...3 Getting Started 3 62 UniSite xpi User Manual ...
Page 238: ...5 Computer Remote Control 5 10 UniSite xpi User Manual ...
Page 296: ...6 Translation Formats 6 58 UniSite xpi User Manual ...
Page 402: ...Keep Current Subscription Service 6 Keep Current ...