參數(shù)資料
型號: 7643
英文描述: IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE
中文描述: 7643Group數(shù)據(jù)表數(shù)據(jù)表1369K/JUL.30.03
文件頁數(shù): 108/120頁
文件大?。?/td> 1369K
代理商: 7643
Rev.1.00 Jul 30, 2003 page 108 of 119
7643 Group
ID Code Check
This command checks the ID code. Execute the boot ID check
command as explained here following.
ID Code
When the flash memory is not blank, the ID code sent from the se-
rial programmer and the ID code written in the flash memory are
compared to see if they match. If the codes do not match, the
command sent from the serial programmer is not accepted. An ID
code contains 8 bits of data. Area is, from the 1st byte, addresses
FFC2
16
to FFC8
16
. Write a program into the flash memory, which
already has the ID code set for these addresses.
Fig. 97 Timing for ID check
I
D
s
i
z
e
I
D
1
I
D
7
F
5
1
6
C
2
1
6
F
F
1
6
0
0
1
6
S
C
L
K
S
R
X
D
S
T
X
D
S
R
D
Y
(
B
U
S
Y
)
ROM code protect control
ID7
ID6
ID5
ID4
ID3
ID2
ID1
FFC9
16
FFC8
16
FFC7
16
FFC6
16
FFC5
16
FFC4
16
FFC3
16
FFC2
16
Address
Interrupt vector area
Fig. 98 ID code storage addresses
(1) Transfer the “F5
16
” command code with the 1st byte.
(2) Transfer addresses AB
0
to AB
7
, AB
8
to AB
15
and AB
16
to AB
23
(“00
16
”) of the 1st byte of the ID code with the 2nd and 3rd re-
spectively.
(3) Transfer the number of data sets of the ID code with the 5th
byte.
(4) Transfer the ID code with the 6th byte onward, starting with the
1st byte of the code.
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