tc9496af TOSHIBA Semiconductor CORPORATION, tc9496af Datasheet - Page 35

• Manufacturer Part Number: tc9496af
• Description: 1 Chip Audio Digital Signal Processor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

4.3
4.3.1 Self-Boot Operation
Self-Boot Operation
modes can be used in combination.
High, then set the RESET pin to Low
or send initialized command.
44.1 kHz) after a reset release is wait
period. The boot operation starts at the
end of this period.
to application, specify the start address
using the BA [1:0] pin. At addresses
000h to 002h, set jump addresses.
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.
Self-boot operations support two modes: one for use at reset and for setting the microcontroller. The
To enter this mode, set the Boot pin to
The 2048 fs period (46.4 ms when fs =
When switching the setting according
The data setting speed is one of
35
Table 2
Table 1
44.1 kHz
32 kHz
48 kHz
BA1
fs
0
0
1
1
Relationship between BA [1:0]
Pin Value and Start Address
Relationship between fs and
Wait Period
Wait Period
BA2
64.0 ms
46.4 ms
42.7 ms
0
1
0
1
Start Address
Boot Time (max.)
000h
001h
002h
003h
32.0 ms
23.2 ms
21.3 ms
TC9496AF
2002-01-11