參數(shù)資料
型號(hào): MAX732CWE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Current-Mode SMPS Controller
中文描述: 1.5 A SWITCHING REGULATOR, 170 kHz SWITCHING FREQ-MAX, PDSO16
封裝: SO-16
文件頁數(shù): 13/17頁
文件大?。?/td> 338K
代理商: MAX732CWE
M
2-Wire-Interfaced 8-Bit I/O Port Expander
with Reset
______________________________________________________________________________________
13
1
3
2
4
5
8
6
7
S
A
A
A
0
A5
A4
A3
A2
A1
A0
DATA 1
SLAVE ADDRESS
DATA TO PORT
START CONDITION
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
t
PV
DATA 1 VALID
9
1
0
0
0
0
COMMAND BYTE
P
DATA OUT
FROM PORT
WRITE TO
PORT
SDA
SCL
0
0
0
0
R/W
Figure 9. Write to Output Port Register Through Write-Byte Protocol
S1
A
A
0
A2
A1
A0
DATA 4
SLAVE ADDRESS
DATA FROM PORT
START CONDITION
NOTE 1:
THIS FIGURE ASSUMES THE COMMAND HAS PREVIOUSLY BEEN PROGRAMMED WITH 0x00.
NOTE 2:
TRANSFER OF DATA CAN BE STOPPED AT ANY MOMENT BY A STOP CONDITION. WHEN THIS OCCURS,
DATA PRESENT AT THE LAST ACKNOWLEDGED PHASE IS VALID (OUTPUT MODE). INPUT DATA IS LOST.
R/W
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM MASTER
STOP
CONDITION
DATA 1
DATA FROM PORT
P
t
PS
t
PH
DATA 4
DATA 3
DATA 2
DATA INTO
PORT
WRITE FROM
PORT
SDA
NA
NO ACKNOWLEDGE
FROM MASTER
A5
A4
A3
1
Figure 10. Read Input Port Register Through Receive-Byte Protocol
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