W83792G Nuvoton Technology Corporation of America, W83792G Datasheet - Page 45

• Manufacturer Part Number: W83792G
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83792G

• Function: Hardware Monitor
• Topology: ADC, Fan Control, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Type: I²C™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.11 Realtime Status Registers ⎯ Index A9h~ABh(Bank 0)
Realtime status registers show the related channel exceeding limit or not at the polling moment.
Return 1 represents related channel have exceeded the limit defined in limit RAM.
8.12 Serial Bus Address Registers ⎯ Index 48h 4A(Bank 0)
Reset Condition: Resume Reset
W83792D provides 2 power on strapping pin for default SMBus address. With these 2 pins, 4 kinds of
default address setups are possible.
CR48 SMBus Address
CR4A Temperature 2 and Temperature 3 Serial Bus Address Register
Realtime status 1
Realtime status 2
Realtime status 3
7
6-0
BIT
7
6-4
3
2-0
BIT
TEMP2/3 Address
SMBus Address
MNEMONIC
MNEMONIC
DIS_T3
I2CADDR3
I2CADDR2
DIS_T2
Reserved
SMBADDR1
NAME
NAME
BANK INDEX ATTR BIT 7
0
0
0
BANK INDEX ATTR
ATTRIBUTE
0
0
ATTRIBUTE
AA
AB
A9
R/W
R/W
R/W
R/W
R/W
RO
4A
48
RO
RO
RO
RW
RW
Set to 1, disable temperature 3 sensor accessing from
Temperature 3 Serial Bus Address. Still can access from Bank
0 Cxh.
Temperature 3 Serial Bus Address. The serial bus address is
1001xxx. Where xxx are defined in these bits.
Set to 1, disable temperature Sensor accessing from
Temperature 2 Serial Bus Address. Still can access from Bank
0 Cxh.
Temperature 2 Serial Bus Address. The serial bus address is
1001xxx. Where xxx are defined in these bits.
FAN3
FAN7 VIDCHG Chassis
FAN6
Reserved.
Serial Bus Address <7:1> for general index registers. The
address bit 0 and bit 1 are trapped by the pin 10 and pin 11,
respectively.
reserve
DIS_T3
BIT 7
FAN2
FAN5
BIT 6
0
0
- 39 -
BIT 6 BIT 5 BIT 4
FAN1
FAN4
BIT 5
0
1
T3 Address
IA[1]
DESCRIPTION
1
TEMP3 TEMP2 TEMP1 VcoreB VcoreA
DESCRIPTION
VBAT
BIT 4
VDD
Publication Release Date: April 26, 2006
W83792AD/AG/D/G
IA[0]
0
SMBus address
BIT 3
VIN3
VSB
DIS_T2
BIT 3
1
0
TART3 TART2 TART1
BIT 2
VIN2
BIT 2 BIT 1 BIT 0
1
0
T2 Address
BIT 1
VIN1
IA[1]
IA[1]
Revision 0.9
BIT 0
VIN0
IA[0]
IA[0]