参数资料
型号: W83L786NR
厂商: WINBOND ELECTRONICS CORP
元件分类: 通信及网络
英文描述: SPECIALTY TELECOM CIRCUIT, PDSO20
封装: 0.209 INCH, SSOP-20
文件页数: 17/50页
文件大小: 998K
代理商: W83L786NR
W83L786NR/ W83L786NG
Publication Release Date: March 31, 2006
- 19 -
Revision 0.9
REGISTER
D+, D- – FAN1
VTIN1 – FAN2
Non-Stop Duty Cycle
CR[81h] b3:b0
CR[87h] b3:b0
Duty Level 1
CR[81h] b7:b4
CR[87h] b7:b4
Duty Level 2
CR[82h] b3:b0
CR[88h] b3:b0
Duty Level 3
CR[82h] b7:b4
CR[88h] b7:b4
Temp Point 1
CR[83h] b7:b0
CR[89h] b7:b0
Temp Point 2
CR[84h] b7:b0
CR[8Ah] b7:b0
Temp Point 3
CR[85h] b7:b0
CR[8Bh] b7:b0
Temp Point 4
CR[86h] b7:b0
CR[8Ch] b7:b0
Tolerance
CR[8Dh] b3:b0
CR[8Dh] b7:b4
7.6.5
Fan Fault (FAN_FAULT #)
W83L786NR/NG provides a good protection for fan speed. Set Pin 1 (FAN_FAULT#) to monitor fan
speed. When FANIN1 (Pin8) or FANIN2 (Pin9) exceeds fan count high limit in VR3B or VR3C. Pin1
FAN_FAULT# will be asserted (Figure 13).
F i gu r e 13. F A N _F A U L T
F a n c oun t l i m i t
FA N _ FA U L T #
7.7 Fault Signal—INT#
7.7.1
Temperature
Pin INT# for temperature has 3 modes.
7.7.1.1. Comparator Interrupt Mode
Temperature exceeding TO causes an interrupt and this interrupt will be reset when reading all of the
Interrupt Status Registers. Once an interrupt event has occurred by exceeding TO, then reset, if the
temperature remains above the THYST, the interrupt will occur again when the next conversion has
completed. If an interrupt event has occurred by exceeding TO and not reset, the interrupts will not
occur again. The interrupts will continue to occur in this manner until the temperature goes below
THYST. (Figure 14-1)
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