參數(shù)資料
型號: MC68HC08MR4
廠商: Motorola, Inc.
英文描述: In-Circuit Simulator
中文描述: 在電路模擬器
文件頁數(shù): 76/100頁
文件大小: 506K
代理商: MC68HC08MR4
User
s Manual
M68ICS08MR In-Circuit Simulator
76
S-Record Information
MOTOROLA
S-Record Information
The S-record fields are described in
Table A-2
.
Each record may be terminated with a CR/LF/NULL. Additionally, an S-record
may have an initial field to accommodate other data such as the line number
generated by some time-sharing systems.
Accuracy of transmission is ensured by the record length (byte count) and
checksum fields.
A.3 S-Record Types
Eight types of S-records have been defined to accommodate the several needs
of the encoding, transport, and decoding functions. The various Motorola
upload, download, and other record transport control programs (as well as cross
assemblers, linkers, and other file-creating or debugging programs) utilize only
those S-records which serve the purpose of the program.
For specific information on which S-records are supported by a particular
program, consult the user manual for the program.
Table A-2. S-Record Field Contents
Field
Printable
Characters
Contents
Type
2
S-record type
S0, S1, etc.
Record
Length
2
Character pair count in the record, excluding the
type and record length
Address
4, 6, or 8
2-, 3-, or 4-byte address at which the data field is
to be loaded into memory
Code/Data
0
2n
From 0 to n bytes of executable code, memory
loadable data, or descriptive information. For
compatibility with teletypewriter, some programs
may limit the number of bytes to as few as 28
(56 printable characters in the S-record).
Checksum
2
Least significant byte of the one
s complement of
the sum of the values represented by the pairs of
characters making up the record length,
address, and the code/data fields
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