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參數(shù)資料
| 型號(hào)： | TC9496AF |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 29/48頁 |
| 文件大?。?/td> | 561K |
| 代理商： | TC9496AF |
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TC9496AF
2002-01-11
35
4.3
Self-Boot Operation
Self-boot operations support two modes: one for use at reset and for setting the microcontroller. The
modes can be used in combination.
4.3.1 Self-Boot Operation
To enter this mode, set the Boot pin to
High, then set the RESET pin to Low
or send initialized command.
The 2048 fs period (46.4 ms when fs
=
44.1 kHz) after a reset release is wait
period. The boot operation starts at the
end of this period.
When switching the setting according
to application, specify the start address
using the BA [1:0] pin. At addresses
000h to 002h, set jump addresses.
The data setting speed is one of
SBROM per 1 fs. As up to 1024 words
can be set in the SBROM, the maximum
time required for setting the data is the
1024 fs period.
Table 1
Relationship between fs and
Wait Period
fs
Wait Period
Boot Time (max.)
32 kHz
64.0 ms
32.0 ms
44.1 kHz
46.4 ms
23.2 ms
48 kHz
42.7 ms
21.3 ms
Table 2
Relationship between BA [1:0]
Pin Value and Start Address
BA1
BA2
Start Address
0
000h
0
1
001h
1
0
002h
1
003h
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