tc9447f TOSHIBA Semiconductor CORPORATION, tc9447f Datasheet - Page 17

• Manufacturer Part Number: tc9447f
• Description: Single-chip Audio Digital Signal Processor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

3.
Control commands
The following table lists the control commands that can be used from the microcontroller.
(1)
Note 2: The command which is "Sync" in the transfer Sync with Sync signal needs to set the CS = H
TIMING
BOOT
DAC
SIO
RUN-MUTE
MSEQ
CRAM
CRAM-ACMP
OFRAM
OFRAM-ACMP
IFF
MONI-PC
MONI-LC
MISC
M-RST
MONI-DB
MONI-CP
MONI-OFP
MONI-DP
MONI-AR
MONI-CRP
MONI-SR
Control commands
Command
Š
section to a minimum of 1 fs more until it transmits the following command.(It needs more than
22.68 µs at fs = 44.1 kHz)
Code
4Ah
4Ch
4Dh
4Eh
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
4Bh
4Fh
50h
51h
52h
53h
54h
55h
56h
R/W
W
R
Table 1 Control commands
Self-boot ROM start address
OFRAM (ACMP mode)
Interface flag (IFF)
Timing
DAC output attenuator
SIO setting
Program execution, mute
Sequential RAM
CRAM
CRAM (ACMP mode)
OFRAM
Monitor (PC conditions)
Monitor (LC conditions)
Others
(Prohibited)
Initialization
DB monitor
CP monitor
OFP monitor
DP monitor
AR monitor
CRP monitor
SR monitor
Description
17
Sequential
Enable
RAM
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Š
Transfer Sync With/Async to
Sync (RUN)/Async (STOP)
Sync (RUN)/Async (STOP)
Sync (RUN)/Async (STOP)
Sync Signal
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Async
Sync
Sync
Š
2002-02-05
TC9447F
(Note 2)
(Note 2)