tc9496af TOSHIBA Semiconductor CORPORATION, tc9496af Datasheet - Page 34

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

Note 3: Boot mode completes when the address reaches 3FFh, the maximum value.
4.2
Therefore, for the final address, write JMP 3FFh (data = 303FFh).
Boot ROM Format
The following shows the brake down of the 18 bits.
00Ah
00Bh
00Ch
3FFh
000h
001h
002h
003h
004h
005h
006h
007h
008h
009h
17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
(MSB)
00
01
10
11
11
11
11
11
01
10
01
00
00
00
00
10
11
11
Figure 2 Boot ROM Format and Example
Data that are being sent
Command
Final data (after the data are sent, the CS signal is set to "H").
Jump address (jump to any address in the self-boot ROM).
34
Data
Data
Data
Data
Data
Data
Address
Address
Address
Address
Address
Address
CMD
CMD
(LSB)
JMP
JMP
JMP
JMP
CMD
Data (last)
CMD
Data (cont)
Data (cont)
Data (cont)
Data (cont)
Data (last)
JMP 3FFh
JMP 3FFh
TC9496AF
2002-01-11