tc94a04afdg TOSHIBA Semiconductor CORPORATION, tc94a04afdg Datasheet - Page 28

• Manufacturer Part Number: tc94a04afdg
• Description: 1 Chip Audio Digital Processor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Note 5: Boot mode completes when the address reaches 1FFh, the maximum value. Therefore, for the final address
Note 6: For the head address (000h), write (00000).
Note 7: Please do not set a command of fs synchronous taking in to the address: 1FEh
4.2
(1FFh), write JMP 1FFh (data = 301FFh).
(RUN-MUTE/IFF/DE-EMPH/DAC-LR/DAC-CS etc.).
Boot ROM Format
The following shows the breakdown of the 18 bits.
00Ah
00Bh
1FFh
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)
0
00
01
10
11
11
11
01
10
01
00
00
00
00
10
11
11
0
Figure 2 Boot ROM Format and Example
Data that are being sent
Command
Final data (after the data are sent, the CS signal set to “H”).
Jump address (jump to any address in the boot-ROM)
0
0
0
0
0
0
0
0
28
Data
Data
Data
Data
Data
Data
0
0
Address
Address
Address
Address
0
0
CMD
CMD
0
0
(LSB)
0
TC94A04AFG/AFDG
0
All ‘0’
JMP
JMP
CMD
Data (last)
CMD
Data (cont)
Data (cont)
Data (cont)
Data (cont)
Data (last)
JMP 1FFh
JMP 1FFh
2005-09-28