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EMC2104-BP-TR 参数 Datasheet PDF下载

EMC2104-BP-TR图片预览
型号: EMC2104-BP-TR
PDF下载: 下载PDF文件 查看货源
内容描述: [Switching Controller]
分类和应用: 风扇控制器
文件页数/大小: 101 页 / 1474 K
品牌: SMSC [ SMSC CORPORATION ]
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Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown  
Datasheet  
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‘0’ (default) - The ALERT# pin will be not be asserted for any error condition associated with  
Voltage Channel 4 (TRIP_SET / VIN4).  
‘1’ - The ALERT# pin will be asserted for an error condition associated with Voltage Channel 4.  
Bit 4 - EXT4_INT_EN - Allows the External Diode 4 channel to assert the ALERT# pin.  
„
‘0’ (default) - The ALERT# pin will be not be asserted for any error condition associated with  
External Diode 4.  
„
‘1’ - The ALERT# pin will be asserted for an error condition associated with External Diode 4.  
Bit 3 - EXT3_INT_EN - Allows the External Diode 3 or VIN3 channel to assert the ALERT# pin.  
„
‘0’ (default) - The ALERT# pin will not be asserted for any error condition associated with External  
Diode 3 or VIN3 channels.  
„
‘1’ - The ALERT# pin will be asserted for an error condition associated with External Diode 3 or  
VIN3 channels.  
Bit 2 - EXT2_INT_EN - Allows the External Diode 2 or VIN2 channel to assert the ALERT# pin.  
„
‘0’ (default) - The ALERT# pin will not be asserted for any error condition associated with External  
Diode 2 or VIN2 channels.  
„
‘1’ - The ALERT# pin will be asserted for an error condition associated with External Diode 2 or  
VIN2 channels.  
Bit 1 - EXT1_INT_EN - Allows the External Diode 1 or VIN1 channel to assert the ALERT# pin.  
„
‘0’ (default) - The ALERT# pin will not be asserted for any error condition associated with External  
Diode 1 or VIN1 channels.  
„
‘1’ - The ALERT# pin will be asserted for an error condition associated with External Diode 1 or  
VIN1 channels.  
Bit 0 - INT_INT_EN - Allows the Internal Diode channel to assert the ALERT# pin.  
„
‘0’ (default) - The ALERT# pin will not be asserted for any error condition associated with the  
Internal Diode.  
„
‘1’ - The ALERT# pin will be asserted for an error condition associated with the Internal Diode.  
6.16  
Fan Interrupt Enable Register  
Table 6.21 Fan Interrupt Enable Register  
ADDR  
R/W  
REGISTER  
B7  
B6  
B5  
B4  
B3  
B2  
B1  
B0  
DEFAULT  
Fan  
Interrupt  
Enable  
SPIN_  
INT_EN INT_EN  
STALL_  
SPIN_  
INT_EN2 INT_EN2  
STALL_  
29h  
R/W  
-
-
-
-
00h  
1
1
The Fan Interrupt Enable controls the masking for each Fan channel. When a channel is enabled, it  
will cause the ALERT# pin to be asserted when an error condition is detected.  
Bit 3 - SPIN_INT_EN2 - Allows the FAN_SPIN 2 bit to assert the ALERT# pin.  
„
‘0’ (default) - the FAN_SPIN 2 bit will not assert the ALERT# pin though will still update the Status  
Register normally  
„
‘1’ - the FAN_SPIN2 bit will assert the ALERT# pin.  
Bit 2 - STALL_INT_EN2 - Allows the FAN_STALL2 bit or DRIVE_FAIL2 bit to assert the ALERT# pin.  
„
‘0’ (default) - the FAN_STALL2 bit or DRIVE_FAIL2 bit will not assert the ALERT# pin though it will  
still update the Status Register normally.  
SMSC EMC2104  
Revision 1.74 (05-08-08)  
DATA6S1HEET