參數(shù)資料
型號: DS2423X
元件分類: 通用總線功能
英文描述: 4kbit 1-Wire RAM with Counter
中文描述: 4kbit的1 - Wire與反內(nèi)存
文件頁數(shù): 9/25頁
文件大小: 331K
代理商: DS2423X
DS2423
9 of 25
MEMORY FUNCTION FLOW CHART
Figure 7
Master TX Memory
Function Command
0FH
Write
Scratchpad
DS2423 sets Scratch-
pad Offset = (T4:T0)
and Clears (PF, AA)
Master TX Data Byte
to Scratchpad Offset
DS2423 sets (E4:E0)
= Scratchpad Offset
Master
TX Reset
Scratch-
pad Offset =
11111b
Master RX CRC16 of
Command, Address, Data
DS2423 Incre-
ments Scratch-
pad Offset
Master RX "1"s
Master
TX Reset
Master
TX Reset
Partial
Byte Written
PF = 1
AAH
Read
Scratchpad
Master RX Ending
Offset with Data
Status (E/S)
Master
TX Reset
Scratch-
pad Offset =
11111b
DS2423 Incre-
ments Scratch-
pad Offset
Master RX "1"s
DS2423 sets Scratch-
pad Offset = (T4:T0)
Master RX Data Byte
from Scratchpad Offset
From ROM Functions
Flow Chart (Figure 9)
To ROM Functions
Flow Chart (Figure 9)
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
Y
N
Y
N
Y
Master TX
TA1 (T7:T0)
Master TX
TA2 (T15:T8)
Master RX
TA1 (T7:T0)
Master RX
TA2 (T15:T8)
To Figure 7
2
Part
N
From Figure 7
2
Part
1) To be transmitted or received at Overdrive speed if OD = 1.
2) Reset Pulse to be transmitted at Overdrive speed if OD = 1.
Reset Pulse to be transmitted at normal speed if OD = 0 or if
the DS2423 is to be reset from Overdrive speed to regular
speed.
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
2)
2)
2)
2)
相關(guān)PDF資料
PDF描述
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DS2430 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
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DS2430AT The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
DS2430AV The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
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