Texas Instruments TMS320C3x 사용자 설명서
TMS320C32 Boot Loader
11-21
Using the TMS320C31 and TMS320C32 Boot Loaders
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Table 11–8.
Source Data Stream Structure
ÁÁÁ
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Word
†
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Content
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁ
Valid Data Entries
ÁÁÁ
Á
Á
Á
ÁÁÁ
1
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Memory width (8, 16, or 32 bits) where source program
resides
resides
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁ
8h, 10h, or 20h, respectively
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Á
Á
Á
ÁÁÁ
2
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Value to set the IOSTRB control register at end of boot loader
process
process
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁ
See Section 10.7 on page 10-26
ÁÁÁ
Á
Á
Á
ÁÁÁ
3
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Value to set the STRB0 control register at end of boot loader
process
process
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁ
See Section 10.3.1 on page 10-7
ÁÁÁ
Á
Á
Á
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4
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Value to set the STRB1 control register at end of boot loader
process
process
ÁÁ
ÁÁ
ÁÁ
ÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁ
See Section 10.6 on page 10-20
5
Size of the first data block. The block size is the number of
words in the data block (word length is specified by the data-
type size). A 0 in this entry signifies the end of the source
data stream.
words in the data block (word length is specified by the data-
type size). A 0 in this entry signifies the end of the source
data stream.
0
≤
size
≤
2
24
6
Destination address to load the first block
A valid ’C32 24-bit address
7
First block destination memory width and data-type size in
the format given in the Valid Data Entries column.
the format given in the Valid Data Entries column.
SSSSSS6
x h
‡
8
First word of first block
A ’C32 valid instruction or any 8-,
16-, or 32-bit wide data value
16-, or 32-bit wide data value
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
n
Last word of first block
A ’C32 valid instruction or any 8-,
16-, or 32-bit wide data value
16-, or 32-bit wide data value
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
m
Size of the last data block. The block size is the number of
words in the data block (word length is specified by the
data-type size). If the next word following this block is not 0,
another block is loaded.
words in the data block (word length is specified by the
data-type size). If the next word following this block is not 0,
another block is loaded.
0
≤
size
≤
2
24
m + 1
Destination address to load the last block
A valid ’C32
24-bit address
24-bit address
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
† Word 1 does not exist in serial-port boot load since the source program does not reside in memory.
‡ The
‡ The
SSSSSS
hexadecimal digits refer to the lower 24 bits of the strobe control register. The
x
hexadecimal digit identifies
the strobe as follows: 0 for IOSTRB, 4 for STRB0, and 8 for STRB1. SSSSSS6xh is cleared to 0 when loading the entire field
into internal memory.
into internal memory.