參數(shù)資料
型號: DS1822-PAR/T&R
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
封裝: TO-92, 3 PIN
文件頁數(shù): 4/19頁
文件大?。?/td> 206K
代理商: DS1822-PAR/T&R
DS1822-PAR
12 of 19
DS1822-PAR FUNCTION COMMANDS FLOW CHART Figure 10
MASTER TX
FUNCTION
COMMAND
Y
N
44h
CONVERT
TEMPERATURE
?
MASTER ENABLES
STRONG PULLUP ON DQ
DS1822-PAR CONVERTS
TEMPERATURE
MASTER DISABLES
STRONG PULLUP
Y
N
48h
COPY
SCRATCHPAD
?
MASTER ENABLES
STRONG PULL-UP ON DQ
DATA COPIED FROM
SCRATCHPAD TO EEPROM
MASTER DISABLES
STRONG PULLUP
RETURN TO INITIALIZATION
SEQUENCE (FIGURE 9) FOR
NEXT TRANSACTION
Y
N
Y
BEh
READ
SCRATCHPAD
?
HAVE 8 BYTES
BEEN READ
?
N
MASTER
TX RESET
?
MASTER RX DATA BYTE
FROM SCRATCHPAD
N
Y
MASTER RX SCRATCHPAD
CRC BYTE
MASTER
RX “1s”
Y
N
B8h
RECALL E
2
?
MASTER BEGINS DATA
RECALL FROM E
2 PROM
DEVICE
BUSY RECALLING
DATA
?
N
Y
MASTER
RX “0s”
MASTER TX TH BYTE
TO SCRATCHPAD
Y
N
4Eh
WRITE
SCRATCHPAD
?
MASTER TX TL BYTE
TO SCRATCHPAD
MASTER TX CONFIG. BYTE
TO SCRATCHPAD
相關PDF資料
PDF描述
DS1822-PAR DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.20Cel, ROUND, THROUGH HOLE MOUNT
DS1822Z/T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
DS1822/T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
DS1822 DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
DS1822+T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
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