參數(shù)資料
型號(hào): ISL90727UIE627Z-TK
廠商: INTERSIL CORP
元件分類(lèi): 數(shù)字電位計(jì)
英文描述: Digitally Controlled Potentiometer
中文描述: 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO6
封裝: ROHS COMPLIANT, PLASTIC, MO-203AB, SC-70, 6 PIN
文件頁(yè)數(shù): 7/8頁(yè)
文件大?。?/td> 174K
代理商: ISL90727UIE627Z-TK
7
FN8247.4
August 2, 2006
SDA
SCL
START
DATA
STABLE
DATA
CHANGE
STOP
DATA
STABLE
FIGURE 1. VALID DATA CHANGES, START AND STOP CONDITIONS
FIGURE 2. ACKNOWLEDGE RESPONSE FROM RECEIVER
SDA OUTPUT FROM
TRANSMITTER
SDA OUTPUT FROM
RECEIVER
8
1
9
START
ACK
SCL FROM
MASTER
HIGH IMPEDANCE
HIGH IMPEDANCE
FIGURE 3. BYTE WRITE SEQUENCE (ISL90727 VERSION SHOWN)
S
T
A
R
T
S
T
O
P
IDENTIFICATION
BYTE
ADDRESS
BYTE
DATA
BYTE
A
C
K
SIGNALS FROM
THE MASTER
SIGNALS FROM
THE ISL23711
A
C
K
0
0
0
1
1
A
C
K
WRITE
SIGNAL AT SDA
0 0 0 0
0
1
1
0 0 0 0 0
SIGNALS
FROM THE
MASTER
SIGNALS FROM
THE SLAVE
SIGNAL AT SDA
S
T
A
R
T
IDENTIFICATION
BYTE WITH
R/W=0
ADDRESS
BYTE
A
C
K
A
C
K
0
0
0
1
1
S
T
O
P
0
1
0
1
1
IDENTIFICATION
BYTE WITH
R/W=1
A
C
K
S
T
A
R
T
DATA BYTE
1 1 0
0
0 0 0
0 0
1 1 0
0 0
FIGURE 4. READ SEQUENCE (ISL90727 VERSION SHOWN)
ISL90727, ISL90728
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