参数资料
型号: DS1963S
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Memory IC:Other
英文描述: SPECIALTY MEMORY CIRCUIT, MEDB2
封装: MICROCAN-2
文件页数: 4/37页
文件大小: 349K
代理商: DS1963S
DS1963S
12 of 37
Memory and SHA Function Flow Chart Figure 7
Spare
Vertical
F0h
Read Memory
?
TA1(T7:T0), TA2 (T15:T8)
Bus Master TX
CHLG = 0 ; AUTH = 0
Address
< 2B0h ?
Address = (T15:T0)
DS1963S sets Memory
3Ch
Match Scratch-
pad
?
R
CHLG = 0 ; MATCH = 0
SP Offset = 27
DS1963S sets Scratch-
pad Offset = 8 decimal
S
DS1963S TX "1"
Master
TX Reset ?
N
Y
Master
TX Reset ?
Y
N
Y
increments
DS1963S
SP. Offset
Bus Master TX Memory or
SHA Function Command
From ROM Functions
Flow Chart (Figure 10)
To ROM Functions
Flow Chart (Figure 10)
To Figure 7
2nd Part
From Figure 7
2nd Part
YY
NN
N
Bus Master
RX "1"s
Y
N
Y
Address
< 2AFh ?
N
Master
TX Reset ?
Y
N
Bus Master
RX "1"s
increments
DS1963S
Address
Counter
Data Byte from
Bus Master RX
Memory Address
Master
TX Reset ?
Y
N
Bus Master RX
FFh byte
Pages
16 to 17 ?
Y
AUTH=1?
Y
N
DS1963S TX "0"
DS1963S TX CRC16 of
Command and Data
AUTH=0; MATCH=1
Bus Master TX
data byte
Data Bytes
Match ?
Y
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