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參數(shù)資料
| 型號： | D6571E |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Chip for an All-Digital Telephone Answering Machine with Flash Memory Interface |
| 中文描述： | 芯片的全數(shù)字電話應答機與快閃記憶體介面 |
| 文件頁數(shù)： | 102/117頁 |
| 文件大?。?/td> | 551K |
| 代理商： | D6571E |
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D6571E Data Sheet
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
98
3. DATA STORAGE (From Host to Flash)
Command (C1):
1111
(15 - 12)
Status (S1):
1 1 1 1
00
BIN
00000 0000
(11-10)
(9)
(8-0)
00
BIN
0
MEMORY FULL
0 0 0 0 0 0 0
(6 - 0)
(15 - 12) (11 - 10) (9) (8) (7)
BIN
= 0: Voice message storage
= 1: Binary file
MEMORY FULL = 1: Memory full condition has been reached.
Note:
Data Storage is not available for PCM messages.
BINARY = 0
Command (C2):
0 0 1 0
0 0 0 0
NUMBER OF BYTES
(15 - 12) (11 - 8) (7 - 0)
NUMBER OF BYTES - Indicates the number of bytes that the Host is going to transmit to the D6571E.
In general, the Host should plan to send the maximum number of bytes in one frame (48), and the D6571E will
respond by informing the Host the actual number of bytes that will be accepted.
Status (S2):
0 0 1 0
0
IND
0 0
TRANSFER NUMBER OF BYTES
(15 - 12) (11) (10) (9 - 8) (7 - 0)
TRANSFER NUMBER OF BYTES - Indicates the number of bytes that the D6571E will accept from the Host.
IND (Insufficient Data) - Indicates that the Host is going to transmit to the D6571E less data bytes than are
necessary. If the Host is going to transmit less data than is necessary, the D6571E will not accept this data and
respond with TRANSFER NUMBER OF BYTES = 0.
If the IND bit is not set to ‘1’, then the Host can transfer data to the D6571E. After the Host receives status S2,
the actual data transfer begins. The Host sends the high byte of the command word (which contains a byte of
data) to the D6571E. The D6571E echoes the received data in the high byte of the status word (Data Transfer
status). During the data transfer phase, the HI\LO pin (pin 4) should be set to high.
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