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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(yīng)答機與快閃記憶體介面 |
| 文件頁數(shù)： | 54/117頁 |
| 文件大小： | 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
52
detection of the Seizure Signal (V.23 and on-hook Bell 202 protocol).
8. DELETE MESSAGE
Command:
1000
(15 - 12)
(11) (10)
GC
= 0: Delete message defined by MESSAGE NUMBER
= 1: Perform Garbage Collection (MESSAGE NUMBER is not relevant)
ERASE = 1: Erase entire flash including Voice Prompt
If GC = 0, ERASE = 0
Status:
1000
(15-12)
(11)
(10-8)
E
= 0:
Indicates valid message.
= 1:
Indicates non-valid message.
If GC = 1, ERASE = 0
Status:
1000
(15-12)
(11)
(10-8)
E
= 0: Sectors have been erased (not the last one).
= 1: The last sector was erased (procedure has been completed).
COLD START = 0: “Warm Start”
= 1: “Cold Start” - Flash should be initialized before being accessed.
In case of Garbage Collection, the status is sent when the procedure has completed erasing sector. Idle is automatically
resumed after the sector erase. The Garbage Collection erases one sector per command. As a general procedure the Host
should send Garbage Collection commands until all sector are erased. If this is the last sector (or no sectors has to be
erased) the E status bit is 1. Garbage Collection is stopped automatically upon detection of a Power Down condition.
If ERASE = 1
Status:
1000
(15 - 12) (11) (10)
(9 - 0)
To perform erase of the entire flash the command 8400H should be sent twice. In response to each command the D6571E
GC
ERASE
0 0 0
MESSAGE NUMBER
(9-7)
(6 - 0)
0
0 0 0
E
MESSAGE NUMBER
(7) (6 - 0)
1
0 0 0
E
0 0 0 0 0 0
COLD
START
(7) (6 - 1)
(0)
0
1
0 0 0 0 0 0 0 0 0 0
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