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參數(shù)資料
| 型號： | NSAM266SA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | 8-BIT, MIXED DSP |
| 文件頁數(shù)： | 38/52頁 |
| 文件大?。?/td> | 571K |
| 代理商： | NSAM266SA |
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2.0 Software
(Continued)
Example
GTM FFCE 003F 0
Byte sequence:
Microcontroller
09 FF CE 00 3F 00 AA
CompactSPEECH 09 FF CE 00 3F 00 01
Description:
Select the oldest of the new ICMs, in mailbox number 6, to be the current
message. For a system where the message tag is encoded as described in the
example for the DMS command. The CompactSPEECH return value indicates
that there is such a message.
The following pseudo-code demonstrates how to play all new ICMs. The
messages are marked after being played.
In mailbox number 6:
Return val
e
GTM (FFCE, 003F, 1)
While (ReturnVal
44
TRUE)
Begin
P() /* Play */
Message tag
4
GMT() /* get message tag */
SMT(FFF7) /* Mark the message as ‘old’ */
GTM(FFCE, 003F, 1) /* get next with same tag */
End
INIT
Initialize System
Execute this command after the CompactSPEECH has
been configured (see CFG and GCFG commands).
Performs a soft reset of the CompactSPEECH as follows:
#
Initializes the message directory information.
Messages are not deleted. To delete the messages, use
the DM and DMS commands.
#
Sets the detectors mask to 0.
#
Sets the volume level that is controlled by the VC com-
mand, to 0.
#
Sets the playback speed to normal (0).
#
Switches to the
IDLE
state.
#
Activates (clears to 0) the MWRDY signal.
#
Initializes the tone detectors.
The current message is undefined after INIT execution.
The tunable parameters are not affected by this command.
They are set to their default values only during RESET.
Example
INIT
Byte sequence:
Microcontroller
13
CompactSPEECH 13
Description:
Initialize the CompactSPEECH.
INJ
Inject IVS datan byte
1
. . . byte
n
Injects vocabulary data of sizen bytes to good flash blocks.
This command programs flash devices, on a production line,
with IVS vocabulary data. It is optimized for speed; all
CompactSPEECH detectors are suspended during execu-
tion of the command. Use the CVOC command to check
whether programming was successful.
If there is not enough memory space for the vocabulary
data, ERRDPARAM is set in the error word, and execution
stops.
Flash blocks that include IVS data cannot be used for re-
cording, even if only one byte of the block contains IVS data
(e.g., if the vocabulary size is 4k
a
100 bytes, two blocks of
the flash are not available for message recording).
Example
INJ 128Data
Byte
sequence:
Microcontroller
29 00 00 00 80
Vocabulary
Data
CompactSPEECH 29 00 00 00 80 Echo of Data
Description:
Inject 128 bytes of vocabulary data.
MR
Memory Reset
Erases all good flash blocks and initializes the Compact-
SPEECH (i.e., does exactly what the INIT command does).
Bad blocks, and blocks which are used for IVS vocabularies,
are not erased.
Note:
The command erases all messages and should be used with care.
Example
MR
Byte sequence:
Microcontroller
2A
CompactSPEECH 2A
Description:
Erase all Serial Flash blocks.
P
Playback
Begins playback of the current message. The Compact-
SPEECH state changes to
PLAY.
When playback is com-
plete, the CompactSPEECH sets the EVDNORMALDEND
bit in the status word, and activates (clears to 0) the
MWRQST signal. Playback can be paused with the PA com-
mand, and can be resumed later with the RES command.
If the current message is undefined, ERRDINVALID is re-
ported.
http://www.national.com
38
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相關(guān)代理商/技術(shù)參數(shù) |
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| NSAM266SAA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:NSAM266SA CompactSPEECHTM Digital Speech Processor with Serial Flash Interface |
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| NSAM266SC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| NSAM266SCA/V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
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