參數(shù)資料
型號: DS2407
廠商: DALLAS SEMICONDUCTOR
元件分類: DRAM
英文描述: Dual Addressable Switch Plus 1K-Bit Memory(雙路可尋址開關(guān)+1K存儲器)
中文描述: 1K X 1 1-WIRE SERIAL EEPROM, PBCY3
封裝: TO-92, 3 PIN
文件頁數(shù): 12/31頁
文件大?。?/td> 200K
代理商: DS2407
0Fh
WRITE
MEMORY
N
BUS MASTER T
X
TA1 (T7:T0)
BUS MASTER T
X
TA2 (T15:T8)
BUS MASTER R
CRC16
OF COMMAND, ADDRESS,
DATA (1
ST
PASS)
CRC16 OF ADDRESS, DATA
(SUBSEQUENT PASSES)
CRC
CORRECT
Y
BUS MASTER T
X
DATA BYTE (D7:D0)
BUS MASTER T
X
PROGRAM PULSE
BUS MASTER R
BYTE FROM EPROM
END OF
DATA MEMORY
DS2407 INCREMENTS
ADDRESS COUNTER
DS2407 LOADS NEW
ADDRESS INTO CRC
GENERATOR
55h
WRITE
STATUS
BUS MASTER T
X
TA1 (T7:T0)
BUS MASTER T
X
TA2 (T15:T8)
CRC
CORRECT
BUS MASTER T
X
DATA BYTE (D7:D0)
BUS MASTER T
X
PROGRAM PULSE
BUS MASTER R
BYTE FROM EPROM
BUS MASTER
T
X
RESET
N
Y
Y
N
N
Y
N
Y
Y
EPROM BYTE
CORRECT
ADDRESS
<7
DS2407 INCREMENTS
ADDRESS COUNTER
DS2407 LOADS NEW
ADDRESS INTO CRC
GENERATOR
Y
EPROM BYTE
CORRECT
BUS MASTER R
CRC16
OF COMMAND, ADDRESS,
DATA (1
ST
PASS)
CRC16 OF ADDRESS, DATA
(SUBSEQUENT PASSES)
N
SCRATCHPAD
TO STATUS EPROM
SCRATCHPAD
TO DATA EPROM
Y
X
8 BUS MASTER T
DS2407 COPIES
BUFROM VOLATILE
X
BYTE
STATUS
X
PREDS2407 T
N
N
LEGEND:
DECISION MADE
BY THE MASTER
DEBY DS2407
TO FIGURE 6
SECOND PART
FROM FIGURE 6
FIRST PART
DS2407
041498 12/31
MEMORY FUNCTION FLOW CHART
Figure 6 (cont’d)
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