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): 105/117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
101
Data Transfer Command:
(DC1 . . . DC_Transfer _Number_of_Bytes)
0 0 0 1
0 0 0 0
(15 - 12) (11 - 8)
Data Transfer Status:
(DS1 . . . DS_Transfer_Number_of_Bytes)
DATA BYTE
(15 - 8)
Each frame the Host issues C1 and C2 commands. The actual data transfer starts after status 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. The Host should send an IDLE command to exit this mode.
BIN = 1
Command (C2):
0 0 0 1
0 0 0 0
NUMBER OF WORDS
(15 - 12) (11 - 8) (7 - 0)
NUMBER OF WORDS -
Indicates the number of words that the Host expects to receive from the D6571E.
Supposed to be 16 in this mode.
Status (S2):
0 0 0 1
0 0 0 0
TRANSFER NUMBER OF WORDS
(15 - 12) (11 - 8) (7 - 0)
TRANSFER NUMBER OF WORDS - Indicates the actual number of words that the D6571E will write to the Host.
Expected to be 16 for each frame but the last one. The last frame may have any number of words from 1 to 16.
After the Host receives status S2, the actual data transfer begins. The Host sends the Data Transfer command to the
D6571E. The D6571E responds with binary data in the status word (Data Transfer status).
Data Transfer Command:
(DC1 . . . DC_Transfer _Number_of_Words)
0 0 0 1
000000000000
(15 - 12) (11 - 8)
Data Transfer Status:
(DS1 . . . DS_Transfer_Number_of_Words)
DATA WORD
(15 - 0)
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