参数资料
| 型号： | ADT7468ZEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 63/81页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADT7468 |
| 标准包装： | 1 |
| 其它名称： | EVAL-ADT7468EB EVAL-ADT7468EB-ND |
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ADT7468
Address
0x6A
R/W
R/W
Description
Remote 1 THERM
Bit 7
7
Bit 6
6
Bit 5
5
Bit 4
4
Bit 3
3
Bit 2
2
Bit 1
1
Bit 0
0
Default
0XA4
Lockable
Yes
Temp Limit
0x6B
R/W
Local THERM Temp
7
6
5
4
3
2
1
0
0XA4
Yes
Limit
0x6C
R/W
Remote 2 THERM
7
6
5
4
3
2
1
0
0XA4
Yes
Temp Limit
0x6D
R/W
Remote 1 and Local
HYSR1
HYSR1
HYSR1
HYSR1
HYSL
HYSL
HYSL
HYSL
0X44
Yes
Temp/T MIN Hysteresis
0x6E
R/W
Remote 2 Temp/T MIN
HYSR2
HYSR2
HYSR2
HYRS
RES
RES
RES
RES
0X40
Yes
Hysteresis
0x6F
R/W
XNOR Tree Test
RES
RES
RES
RES
RES
RES
RES
XEN
0X00
Yes
Enable
0x70
R/W
Remote 1
7
6
5
4
3
2
1
0
0X00
Yes
Temperature Offset
0x71
R/W
Local Temperature
7
6
5
4
3
2
1
0
0X00
Yes
Offset
0x72
R/W
Remote 2
7
6
5
4
3
2
1
0
0X00
Yes
Temperature Offset
0x73
R/W
Configuration
SHDN
CONV
ATTN
AVG
AIN4
AIN3
AIN2
AIN1
0X00
Yes
Register 2
0x74
R/W
Interrupt Mask 1
OOL
R2T
LT
RIT
5V
V CC
V CCP
2.5 V
0X00
No
Register
0x75
R/W
Interrupt Mask 2
D2
D1
F4P
FAN3
FAN2
FAN1
OVT
12 V / VC
0X00
No
Register
0x76
R/W
Extended Resolution
5V
5V
V CC
V CC
V CCP
V CCP
2.5 V
2.5 V
0X00
No
1
0x77
R/W
Extended Resolution
TDM2
TDM2
LTMP
LTMP
TDM1
TDM1
12 V
12 V
0X00
No
2
0x78
R/W
Configuration
DC4
DC3
DC2
DC1
FAST
BOOST
THERM
ALERT
0X00
Yes
Registe r 3
Enable
0x79
R
THERM Timer Status
TMR
TMR
TMR
TMR
TMR
TMR
TMR
ASRT/TMRO
0X00
No
Registe r
0x7A
R/W
THERM Timer Limit
LIMT
LIMT
LIMT
LIMT
LIMT
LIMT
LIMT
LIMT
0X00
No
Register
0x7B
R/W
TACH Pulses per
FAN4
FAN4
FAN3
FAN3
FAN2
FAN2
FAN1
FAN1
0X55
No
Revolution
0x7C
R/W
Configuration
RES
RES
RES
RES
GPIOP
GPIOD
LF/HF
TWOS
0X00
Yes
Register 5
COMPL
0x7D
R/W
Configuration
BpAtt
BpAtt
BpAtt
BpAtt
AINL
AINL
Pin 14
Pin 14 Func
0X00
Yes
Register 4
12 V
5V
V CCP
2.5 V
Func
0x7E
0x7F
R
R
Test Register 1
Test Register 2
DO NOT WRITE TO THESE REGISTERS
DO NOT WRITE TO THESE REGISTERS
0X00
0X00
Yes
Yes
Table 18. Voltage Reading Registers (Power-On Default = 0x00)
1
Register Address
R/W
Description
0x20 Read only Reflects the voltage measurement at the 2.5 V input on Pin 22 (8 MSBs of reading).
0x21 Read only Reflects the voltage measurement 2 at the V CCP input on Pin 23 (8 MSBs of reading).
0x22 Read only Reflects the voltage measurement 3 at the V CC input on Pin 4 (8 MSBs of reading).
0x23 Read only Reflects the voltage measurement at the 5 V input on Pin 20 (8 MSBs of reading.
0x24 Read only Reflects the voltage measurement at the 12 V input on Pin 21 (8 MSBs of reading).
1
2
3
If the extended resolution bits of these readings are also being read, the extended resolution registers (Reg. 0x76, 0x77) must be read first. Once the extended
resolution registers have been read, the associated MSB reading registers are frozen until read. Both the extended resolution registers and the MSB registers are
frozen.
If V CCP Low (Bit 1 of the Dynamic T MIN Control Register 1, 0x36) is set, V CCP can control the sleep state of the ADT7468.
V CC (Pin 4) is the supply voltage for the ADT7468.
Rev. 3 | Page 63 of 81 | www.onsemi.com
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