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參數(shù)資料
| 型號(hào)： | G768D |
| 英文描述： | ± 3oC remote thermal sensor with one fan control and SMBus interface.|Thermal Sensor / Detector Series |
| 中文描述： | ± 3oC遠(yuǎn)程溫度傳感器一個(gè)風(fēng)扇控制和SMBus接口。|熱傳感器/探測器系列 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 323K |
| 代理商： | G768D |
Ver: 1.4
May 23, 2003
TEL: 886-3-5788833
http://www.gmt.com.tw
15
G768D
Global Mixed-mode Technology Inc.
Thermal Shutdown Signal
When the temperature of DX1 reaches or exceeds
the Tcrit1 threshold consecutively for the times
equal to the number of faults of the FQ_TH_SHUT
registers, TH_SHUT pin becomes logic high. The
same mechanism is duplicated for DX2. There fore,
either one of DX1, DX2 continuously over their re-
spective Tcrit, the TH_SHUT will assert logic high to
indicate a thermal shutdown event.
Figure 6. SMBus Write Timing Diagram
A = start condition
B = MSB of address clocked into slave
C = LSB of address clocked into slave
D = R / W bit clocked into slave
E = slave pulls SMB Data line low
F = acknowledge bit clocked into master
G = MSB of data clocked into slave
H = LSB of data clocked into slave
I = slave pulls SMBDATA line low
J = acknowledge clocked into master
K = acknowledge clocked pulse
L = stop condition data executed by slave
M = new start condition
Figure 7. SMBus Read Timing Diagram
A = start condition
B = MSB of address clocked into slave
C = LSB of address clocked into slave
D = R / W bit clocked into slave
E = slave pulls SMBDATA line low
F =acknowledge bit clocked into master
G = MSB of data clocked into master
H = LSB of data clocked into master
I = acknowledge clocked pulse
J = stop condition
K= new start condition
SMBCLK
SMBDATA
A
B
C
D
E F
G
H
I
J
K
L
M
t
SU:STA
t
HD:STA
t
SU:DAT
t
HD:DAT
t
SU:STO
t
BUF
t
LOW
t
HIGH
SMBCLK
SMBDATA
A
B
C
D
E
F
G
H
I
J
K
t
SU:STA
t
HD:STA
t
SU:DAT
t
SU:STO
t
BUF
t
LOW
t
HIGH
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