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ProMaster 2500 User Manual D-39
JEDEC Field Syntax
<field> ::= [<delimiter>]<field identifier>{<field character>}’*’
<field identifier>::= ‘A’ | ‘C’ | ‘D’ | ‘F’ | ‘G’ | ‘K’ | ‘L’ | ‘N’ | ‘P’ |
‘Q’ | ‘R’ | ‘S’ | ‘T’ | ‘V’ | ‘X’
<reserved identifier>::= ‘B’ | ‘E’ | ‘H’ | ‘I’ | ‘J’ | ‘M’ | ‘O’ | ‘U’ | ‘W’
| ‘Y’ | ‘Z’
Following the design specification field in a JEDEC transmission can be
any number of information fields. Each of the JEDEC fields begins with a
character that identifies what type of field it is. Fields are terminated with
an asterisk character. Multiple character identifiers can be used to create
sub-fields (i.e., A1, A$, or AB3). Although they are not required, you may
use carriage returns (CR) and line feeds (LF) to improve readability of the
data.
Field Identifiers
Field identifiers which are currently used in JEDEC transmissions are
shown above on the “field identifiers” line. The “reserved identifier” line
indicates characters not currently used (reserved for future use as field
identifiers). JEDEC field identifiers are defined as follows:
* Reserved for future use
Device Field (D)
Device selection by this field is not supported by the programmer. It has
been replaced by the QF and QP fields and manual selection of devices.
A Access time N Note field
B* O*
C Checksum field P Pin sequence
D Device type Q Value field
E* RResulting vector field
F Default fuse state field S Starting vector
G Security fuse field T Test cycles
H* U*
I * V Test vector field
J* W*
K Fuse list field (hex format) X Default test condition
L Fuse list field Y *
M* Z *