參數(shù)資料
型號(hào)： NSAM266SAA
廠商： National Semiconductor Corporation
元件分類： FLASH
英文描述： 4 Mbit Uniform Sector, Serial Flash Memory
中文描述： 4兆位統(tǒng)一部門(mén)，串行閃存
文件頁(yè)數(shù)： 41/52頁(yè)
文件大?。?/td> 571K
代理商： NSAM266SAA
2.0 Software
(Continued)
SF
Skip ForwardtimeDlength
Skips forward in the current message timeDlength units,
each of 0.2s duration, and causes message playback to
pause. timeDlength is a 2-byte parameter that can have
any value up to 320, i.e., 64s. The skip accuracy is 5%. This
command is meaningful only in the
PLAY
state. The RES
command must be issued to continue playback.
If the end of the message is detected during execution of
SF, execution of the command is terminated, the EVD
NORMALDEND bit in the status register is set, the
MWRQST signal is activated and the CompactSPEECH
switches to the
IDLE
state.
If timeDlength is greater than 320, ERRDPARAM is set in
the error word.
Playback speed does not affect the behavior of this com-
mand.
Example
SF 19
Byte sequence:
Microcontroller
22 00 19
CompactSPEECH 22 00 19
Description:
Skip forward five seconds from the
current position in the message being
played.
SMT
Set Message TagmessageDtag
Sets the tag of the current message. The 2-bytemessageD
tag can be used to implement mailbox functions by including
the mailbox number in the tag, or to handle old and new
messages differently by using one bit in the tag to mark the
message as old or new. See Section 2.6.1.
To change the tag of a message, we recommend that you
read the message tag, modify it, and write it back.
Note 1:
Message tag bits can only be cleared. Message tag bits are set only
when a message is first created.
Note 2:
If the current message is undefined, ERRDINVALID is reported.
Note 3:
Bit 15 of the message tag is used to select the voice compression
algorithm and should not be modified after recording.
Example
SMT FF F7
Byte sequence:
Microcontroller
05 FF F7
CompactSPEECH 05 FF F7
Description:
Mark the current message as old in a
system where the message tag is
encoded as described in the example of
the DMS command.
Note that the CompactSPEECH ignores
bits in the tag which are set to 1; only bit
3 is modified in the message tag.
SO
Say One WordwordDnumber
Plays the word numberwordDnumber in the current vocab-
ulary. The 1-byte wordDnumber may be any value from 0
through the index of the last word in the vocabulary.
When playback of the selected word has been completed,
the CompactSPEECH sets the EVDNORMALDEND bit in
the status word, and activates the MWRQST signal.
IfwordDnumber is not defined in the current vocabulary, or
if it is an IVS control or option code, ERRDPARAM is set in
the error word.
If the current vocabulary is undefined, ERRDINVALID is re-
ported.
Example
SO 00
Byte sequence:
Microcontroller
07 00
CompactSPEECH 07 00
Description:
Announce the first word in the word table
of the currently selected vocabulary.
SPS
Set Playback Speedspeed
Sets the speed of message playback as specified byspeed.
The new speed applies to all recorded messages and syn-
thesized messages (only if synthesized using external voice
synthesis), until changed by another SPS command. If this
command is issued while the CompactSPEECH is in the
PLAY
state, the speed also changes for the message cur-
rently being played.
speed may be one of 13 values, from
b
6 to
a
6. A value of
0 represents normal speed.
Note that a negativespeed value represents an increase in
speed, a positive value represents a decrease in speed.
The change in speed is approximate, and depends on the
recorded data.
Ifspeed is not in the
b
6 to
a
6 range, ERRDPARAM is set
in the error word.
Example
SPS FB
Byte sequence:
Microcontroller
16 FB
CompactSPEECH 16 FB
Description:
Set playback speed to
b
5.
SS
Say SentencesentenceDn
Say sentence numbersentenceDn of the currently selected
vocabulary. sentenceDn is 1-byte long.
If the sentence has an argument, 0 is passed as the value
for this argument.
When playing has been completed, the CompactSPEECH
sets the EVDNORMALDEND bit in the status word, and
activates the MWRQST signal.
If sentenceDn is not defined in the current vocabulary,
ERRDPARAM is set in the error word.
If the current vocabulary is undefined, ERRDINVALID is re-
ported.
Example
SS 00
Byte sequence:
Microcontroller
1F 00
CompactSPEECH 1F 00
Description:
Announce the first sentence in the
sentence table of the currently selected
vocabulary.
http://www.national.com
41
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