TC9496AF Datasheet, PDF (19/48 Pages) Toshiba Semiconductor – 1 Chip Audio Digital Signal Processor

TC9496AF
3. Control Commands
The following table lists the control commands that can be used from the microcontroller.
3.1 Control Commands
Command
TIMING
BOOT
DAC-LR
SIO
RUN-MUTE
MSEQ
CRAM
CRAM-ACMP
ORAM
ORAM-ACMP
IFF
MONI-PC
MONI-LC
MISC
¾
M-RST
Table 1 Control Commands
Code
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
4Ah
4Bh
4Ch
4Dh
4Eh
4Fh
R/W
Description
Timing
Self Boot ROM start address
DAC output trim level (L, R)
SIO setting
Program execution, mute
Sequential RAM
CRAM
CRAM (ACMP mode)
W
ORAM
ORAM (ACMP mode)
IFF setting
Monitor: PC condition
Monitor: LC condition
Others
Prohibited
Initialization
RAM Sequential
¾
¾
¾
¾
¾
Enable
¾
¾
¾
¾
¾
¾
Transfer Sync/
Async to SYNC Signal
Async
Async
Async
Async
Sync
Sync: RUN/Async: STOP
Async
Sync: RUN/Async: STOP
Async
Sync
Async
Async
Async
¾
Async
MONI-DB
MONI-CP
MONI-OFP
MONI-DP
MONI-AR
MONI-CRP
MONI-SR
50h
DBUS monitor
51h
CP monitor
52h
OFP monitor
53h
R DP monitor
54h
AR monitor
55h
CRP monitor
56h
SR monitor
¾
Async
¾
Async
¾
Async
¾
Async
¾
Async
¾
Async
¾
Async
DF-ATT
58h
DF attenuator level (all channel)
¾
DAC-S
59h
W DAC output trim level (SL, SR-ch)
¾
DAC-C
5Ah
DAC output trim level (C-ch)
¾
Async
Async
Async
Note 2: The command which is “Sync” in the transfer Sync with Sync signal needs to set the CS = H section to a
minimum of 1 fs more until it transmits the follwing command. (It need more than 22.68 ms at fs = 44.1 KHz.)
19
2002-01-11