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Part Name
Description
DS2224 View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS2224
EconoRAM
Dallas Semiconductor -> Maxim Integrated
DS2224 Datasheet PDF : 10 Pages
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DS2223/DS2224
COMMAND WORD
Figure 4
MSB
LSB
W/R
W/R
W/R
W/R
W/R
0
0
1
ALL 1s – WRITE
ANY 0 – READ
SELECT BITS
READ/WRITE TRANSACTION
Figure 5
LSB
DS2223
COMMAND WORD
256–BIT SRAM
DS2224
COMMAND WORD
ROM 224–BIT SRAM
READ/WRITE FLOW
RECEIVE COMMAND WORD
(RESET ADDRESS POINTER)
8 BITS
264–BIT
TRANSACTION
READ/WRITE DATA BIT AND
INCREMENT ADDRESS POINTER
IS ADDRESS
N
POINTER = 256?
Y
HOLD ADDRESS POINTER
VALUE, WAIT FOR NEW
COMMAND WORD TO RESET
ADDRESS COUNTER
020698 4/10
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