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): 103/117頁
文件大小: 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
99
Data Transfer Command:
(DC1 . . . DC_Transfer _Number_of_Bytes)
DATA BYTE
(15 - 8)
Data Transfer Status:
(DS1 . . . DS_Transfer_Number_of_Bytes)
ECHO OF DATA BYTE
(15 - 8)
Each frame the Host issues C1 and C2 commands. The actual data transfer starts after S2 is received by the Host.
The D6571E checks bits 15 -12 in each C1 and C2 command for the correct code. If an incorrect code is detected,
the D6571E will return to Idle mode. To exit this mode, the D6571E should issue an IDLE command. When an
IDLE command is received, the D6571E will update the message directory and return to Idle mode.
BINARY = 1
Command (C2):
0 0 1 0
0 0 0 0
NUMBER OF WORDS
(15 - 12) (11 - 8) (7 - 0)
NUMBER OF WORDS - Indicates the number of words that the Host is going to transmit to the D6571E. In all
frames but the last one, the Host should send the maximum number of words (16). The D6571E will send a
confirmation to accept 16 words. The last frame of the binary file may have any number of words.
Status (S2):
0 0 1 0
0
0
0 0
TRANSFER NUMBER OF WORDS
(15 - 12) (11) (10) (9 - 8) (7 - 0)
TRANSFER NUMBER OF WORDS - Indicates the number of words that the D6571E will accept from the Host.
After the Host receives status S2, the actual data transfer begins. The Host sends the command word (which
contains a word of data) to the D6571E. The D6571E echoes the received data in the status word (Data Transfer
status).
Data Transfer Command:
(DC1 . . . DC_Transfer _Number_of_Words)
DATA WORD
(15 - 0)
Data Transfer Status:
(DS1 . . . DS_Transfer_Number_of_Words)
ECHO OF DATA WORD
(15 - 8)
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