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(jī)與快閃記憶體介面
文件頁數(shù): 49/117頁
文件大?。?/td> 551K
代理商: D6571E
D6571E Data Sheet
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
47
Status (S4):
Number of
Stop bits
(15 – 14)
Number of bytes in Frame
Command (C5):
0110
(15 – 12)
Status (S5):
0110
(15 – 12)
At this point Transmit or Receive command should be sent to start actual data receive/transmit
Transmit Command
Command (C6):
0110
0
(15 – 12)
(11)
(10 – 8)
CODE
= 000:
Monitoring Command
= 001:
Load Byte to FIFO
= 010:
Reset FIFO (Clean Tx FIFO)
= 011:
Start Generation (start leading mark bits generation)
= 100:
Stop Generation (stop data generation, start mark bit generation and Receiving data)
Note:
C6 command can be sent during data stream or mark bit generation without interrupting the mode. If an Idle
command received instead C6 command the FSK mode will terminated.
Upon receiving Stop Generation command the DSP should stop generating data from the FIFO (upon completion of the
current byte
)
and start mark bits generation.
Status (S6):
0110
RECEIVE
READY
Number of Start bits = 1
Number of
Start bits
(13 - 12)
0 0 0 0 0 0 0
CRC
Swap
(4)
CRC
Order
(3)
CRC
Invert
(2)
CRC Dir
CRC Init
Value
(0)
(11 - 5)
(1)
Number of Bytes in Frame
(11 - 0)
Number of Bytes in Frame
(11 - 0)
CODE
BYTE (for Load Byte Command) or
0 0 0 0 0 0 0 0 for other modes
(7 – 0 )
Number of bytes in the FIFO
(9 - 0)
(15 – 12)
(11)
(10)
READY
RECEIVE
= 1:
Frame generation is complete. The D6571E started generating trailing “mark” bits.
= 1:
Trailing “mark” bits generation is complete. The D6571E is in Receive mode.
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