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参数资料
| 型号： | MON35W42 |
| 厂商： | STANDARD MICROSYSTEMS CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | Hardware Monitoring IC with Thermal Diode Interface |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封装： | TQFP-48 |
| 文件页数： | 29/60页 |
| 文件大小： | 213K |
| 代理商： | MON35W42 |
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35
FAN IN/OUT and BEEP/nGPO Control Register -- Index 4Dh
Register Location:
4Dh
Power on Default Value
<7:0> 0001,0101. Reset by MR.
Attribute:
Read/Write
Size:
8 bits
7
6
5
4
3
2
1
0
FANINC1
FANOPV1
FANINC2
FANOPV2
FANINC3
FANOPV3
GPOSEL
DIS_ABN
Bit 7: Disable power-on abnormal voltage monitoring including V-Core A and +3.3V. If these voltages
exceed the limit value, the BEEP pin (Open Drain) will drive a 300Hz or 600Hz frequency signal.
If this bit is 1, the frequency will be disable. Default 0. After power on, the system should set 1
to this bit to 1 in order to disable BEEP.
Bit 6: BEEP/nGPO Pin Function Select. If this bit is 1 Select nGPO function. Set 0, select BEEP
function.
This bit defaults to 0.
Bit 5: FAN 3 output value if FANINC3 is set to 0. If this bit is 1, then pin 18 always generate logic high
signal. If this bit is 0, pin 18 always generates logic low signal. This bit default 0.
Bit 4: FAN 3 Input Control. Set to 1, pin 18 acts as FAN clock input, which is default value. Set to 0,
this pin 18 acts as FAN control signal and the output value of FAN control is set by this register
bit 5. This output pin can connect to power PMOS gate to control FAN ON/OFF.
Bit 3: FAN 2 output value if FANINC2 sets to 0. If this bit is 1, then pin 19 always generate logic high
signal. If this bit is 0, pin 19 always generates logic low signal. This bit default 0.
Bit 2: FAN 2 Input Control. Set to 1, pin 19 acts as FAN clock input, which is default value. Set to 0,
this pin 19 acts as FAN control signal and the output value of FAN control is set by this register
bit 3. This output pin can connect to power NMOS gate to control FAN ON/OFF.
Bit 1: FAN 1 output value if FANINC1 sets to 0. If this bit is 1, then pin 20 always generate logic high
signal. If this bit is 0, pin 20 always generates logic low signal. This bit default 0.
Bit 0: FAN 1 Input Control. Set to 1, pin 20 acts as FAN clock input, which is default value. Set to 0,
this pin 20 acts as FAN control signal and the output value of FAN control is set by this register t
1. This output pin can connect to power PMOS gate to control FAN ON/OFF.
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