参数资料
型号: DS1822-PAR+T&R
厂商: Maxim Integrated
文件页数: 12/19页
文件大小: 0K
描述: IC THERMOMETER ECONO DIG TO-92
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
感应温度: -55°C ~ 125°C
输出类型: 数字
电源电压: 3 V ~ 5 V
精确度: ±2°C
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 带卷 (TR)
DS1822-PAR
DS1822-PAR FUNCTION COMMANDS FLOW CHART Figure 10
MASTER T X
FUNCTION
COMMAND
44h
CONVERT
TEMPERATURE
?
N
48h
COPY
SCRATCHPAD
?
N
Y
MASTER ENABLES
Y
MASTER ENABLES
STRONG PULL-UP ON DQ
STRONG PULLUP ON DQ
DATA COPIED FROM
DS1822-PAR CONVERTS
SCRATCHPAD TO EEPROM
TEMPERATURE
MASTER DISABLES
MASTER DISABLES
STRONG PULLUP
STRONG PULLUP
N
B8h
RECALL E 2
?
N
BEh
READ
SCRATCHPAD
?
N
4Eh
WRITE
SCRATCHPAD
?
Y
MASTER BEGINS DATA
RECALL FROM E 2 PROM
Y
MASTER R X DATA BYTE
FROM SCRATCHPAD
MASTER
T X RESET
?
Y
Y
MASTER T X T H BYTE
TO SCRATCHPAD
MASTER T X T L BYTE
TO SCRATCHPAD
DEVICE
BUSY RECALLING
N
N
MASTER T X CONFIG. BYTE
TO SCRATCHPAD
DATA
?
Y
MASTER
R X “0s”
MASTER
R X “1s”
N
HAVE 8 BYTES
BEEN READ
?
Y
MASTER R X SCRATCHPAD
CRC BYTE
RETURN TO INITIALIZATION
SEQUENCE (FIGURE 9) FOR
NEXT TRANSACTION
12 of 19
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参数描述
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