參數(shù)資料
型號: ISL90727UIE627Z
廠商: Intersil
文件頁數(shù): 7/8頁
文件大?。?/td> 0K
描述: IC XDCP 128-TAP 50KOHM SC70-6
產(chǎn)品培訓(xùn)模塊: Digitally Controlled Potentiometers
標(biāo)準(zhǔn)包裝: 1
系列: XDCP™
接片: 128
電阻(歐姆): 50k
電路數(shù): 1
溫度系數(shù): 標(biāo)準(zhǔn)值 ±45 ppm/°C
存儲器類型: 易失
接口: I²C
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 6-TSSOP,SC-88,SOT-363
供應(yīng)商設(shè)備封裝: SC-70-6
包裝: 管件
7
FN8247.8
May 10, 2012
START, the Identification byte with the R/W bit set to “0”, an
Address Byte, a second START, and a second Identification
byte with the R/W bit set to “1”. After each of the three bytes,
the ISL90727 and ISL90728 respond with an ACK. Then the
ISL90727 and ISL90728 transmit the Data Byte as long as
the master responds with an ACK during the SCL cycle
following the eighth bit of each byte. The master then
terminates the read operation (issuing a STOP condition)
following the last bit of the Data Byte (see Figure 4).
SDA
SCL
START
DATA
STOP
STABLE
CHANGE
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
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
11
A
C
K
WRITE
SIGNAL AT SDA
00 0 0
0
1
10 0
00 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
00
0
11
S
T
O
P
0
1
0
11
IDENTIFICATION
BYTE WITH
R/W = 1
A
C
K
S
T
A
R
T
DATA BYTE
110
0
00 0
0 0
110
00
FIGURE 4. READ SEQUENCE (ISL90727 VERSION SHOWN)
ISL90727, ISL90728
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