參數資料
型號： NSAM266SVLJ
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，串行閃存
文件頁數： 33/52頁
文件大小： 571K
代理商： NSAM266SVLJ
2.0 Software
(Continued)
CVOC
Check Vocabulary
Checks (checksum) if the IVS data was correctly pro-
grammed to the ROM or flash device.
If the vocabulary data is correct the return value is 1. Other-
wise the return value is 0.
If the current vocabulary is undefined, ERRDINVALID is re-
ported.
Example
CVOC
Byte sequence:
Microcontroller
2B AA
CompactSPEECH 2B 01
Description:
Check the current vocabulary.
The CompactSPEECH responds that the
vocabulary is OK.
DM
Delete Message
Deletes the current message. Deleting a message clears its
message tag.
Deleting the current message does not cause a different
message to become current. The current message is unde-
fined. If, for example, you issue the GTM command to skip
to the next message, the first message that is newer than
the just deleted message is selected as the current mes-
sage.
The memory space released by the deleted message is im-
mediately available for recording new messages.
Example
DM
Byte sequence:
Microcontroller
0A
CompactSPEECH 0A
Description:
Delete current message.
DMS
Delete MessagestagDref tagDmask
Deletes all messages whose message tags match thetagD
ref parameter. Only bits set intagDmask are compared i.e.,
a match is considered successful if:
message tag and tagDtask
e
tagDref and tagDmask
where and is a bitwise AND operation.
After the command completes execution, the current mes-
sage is undefined. Use the GTM command to select a mes-
sage to be the current message.
The memory space released by the deleted message is im-
mediately available for recording new messages.
Example
DMS FFC2 003F
Byte sequence:
Microcontroller
0B FF C2 00 3F
CompactSPEECH 0B FF C2 00 3F
Description:
Delete all old incoming messages from
mailbox Number 2 in a system where the
message tag is encoded as follows:
Bits 0–2: mailbox ID
8 mailboxes indexed: 0 to 7
Bit 3: new/old message indicator
0: Message is old
1: Message is new
Bits 4–5: message type
00: ICM/memo
01: OGM
10: Call transfer message
Bits 6–15: not used
Note:
The description of the tag is an example
only. All bits of the tag are user-definable.
GCFG
Get Configuration Value
Returns a sequence of two bytes with the following informa-
tion:
Bits 0–7
Magic number, which specifies the Compact-
SPEECH firmware version.
Bits 8–9
Memory type.
00: Reserved
01: Reserved
10: Serial Flash
11: Reserved
The command should be used together with the CFG and
INIT commands during CompactSPEECH initialization. See
the CFG command for more details, and an example of a
typical initialization sequence.
Example
GCFG
Byte sequence:
Microcontroller
02 AA AA
CompactSPEECH 02 02
01
Description:
Get the CompactSPEECH magic number.
The CompactSPEECH responds that it is
Version 1, with Serial Flash.
http://www.national.com
33
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