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| CAT34TS02_13 Datasheet, PDF (12/20 Pages) ON Semiconductor – Digital Output Temperature Sensor with On-board SPD EEPROM | |||
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CAT34TS02
Table 7. RSWP D.C. OPERATION CONDITION
Symbol
Parameter
DVHV
IHVD
VHV
A0 Overdrive (VHV â VCC)
A0 High Voltage Detector Current
A0 Very High Voltage
Test Conditions
1.7 V < VCC < 3.6 V
Min
Max
Units
4.8
V
0.1
mA
7
10
V
Table 8. SWP COMMANDS
Control Pin Levels
(Note 9)
Flag State
(Note 10)
Slave Address
b7 to
ACK
Action
A2
A1
A0
PSWP RSWP
b4
b3 b2 b1 b0
?
ACK
?
Data
Byte
ACK
?
Write
Cycle
A2
A1
A0
1
X
Set
PSWP
A2
A1
A0
0
X
A2
A1
A0
0
X
A2
A1
A0
X
No
A2
A1
A0
0
Yes X Yes
X
Yes
Yes
A2
A1
A0
1
Yes
GND GND VHV
1
X
0
0
1
X
No
Set
GND GND VHV
0
RSWP
GND
GND
VHV
0
1
0
0
1
X
No
0110
0
0
0
1
0
Yes X Yes
X
Yes
Yes
GND GND VHV
0
0
0
0
1
1
Yes
GND VCC
VHV
1
X
Clear
RSWP
GND
VCC
VHV
0
X
GND VCC
VHV
0
X
0
1
1
X
No
0
1
1
0
Yes X Yes
X
Yes
Yes
0
1
1
1
Yes
9. Here A2, A1 and A0 are either at VCC or GND.
10. 1 stands for âSetâ, 0 stands for âNot Setâ, X stands for âdonât careâ.
S
T
BUS ACTIVITY:
MASTER
A
R
T
SLAVE
ADDRESS
BYTE
ADDRESS
S
T
DATA
O
P
SDA LINE S
XXXX XXXX X X XXXXXX P
SLAVE
A
A
C
C
K
K
X = Donât Care
Figure 31. Software Write Protect (Write)
AN
C or O
KA
C
K
BUS ACTIVITY: S
T
S
A
SLAVE
T
MASTER R ADDRESS O
T
P
SDA LINE S
P
SLAVE
AN
C or O
KA
C
K
Figure 32. Software Write Protect (Read)
http://onsemi.com
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