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EMC2101-R-ACZL-TR bảng dữ liệu(PDF) 29 Page - SMSC Corporation

tên linh kiện EMC2101-R-ACZL-TR
Giải thích chi tiết về linh kiện  SMBus Fan Control with 1째C Accurate Temperature Monitoring
PDF  55 Pages
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nhà sản xuất  SMSC [SMSC Corporation]
Trang chủ  http://www.smsc.com
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EMC2101-R-ACZL-TR bảng dữ liệu(HTML) 29 Page - SMSC Corporation

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SMBus Fan Control with 1°C Accurate Temperature Monitoring
Datasheet
SMSC EMC2101
29
Revision 2.53 (03-13-07)
DATASHEET
Chapter 6 Register Set
The following registers are accessible through the SMBus Interface. The registers are described in
functional order. Registers with multiple addresses are included for software compatibility. Writing or
reading from either address will point to the same internal register.
Table 6.1 Register Set in Hexadecimal Order
REGISTER
ADDRESS
R/W
REGISTER NAME
FUNCTION
DEFAULT
VALUE
PAGE
00h
R
Internal Temperature
Stores the Internal
Temperature
00h
Page 32
01h
R
External Diode Temperature
High Byte
Stores the External
Temperature High Byte
00h
Page 32
02h
R
Status
Reports internal, external,
and TCRIT alarms
00h
Page 32
03h and 09h
R/W
Configuration
Alert Mask, STANDBY,
TCRIT override, Alert Fault
Queue
00h
Page 33
04h and 0Ah
R/W
Conversion Rate
Sets conversion rate
08h
(16 / sec)
Page 34
05h and 0Bh
R/W
Internal Temp Limit
ALERT / TACH asserted if
measured temp above this
value
46h
(70°C)
Page 35
07h and
0Dh
R/W
External Temp High Limit
High Byte
ALERT / TACH asserted if
measured temp above this
value
46h
(70°C)
Page 35
08h and 0Eh
R/W
External Temp Low Limit
High Byte
ALERT / TACH asserted if
measured temp below this
value
00h
(0°C)
Page 35
0Ch
R/W
External Temperature Force
Force the temperature for
determining the next fan
speed used in the Fan
Control Look-Up Table
00h
Page 35
0Fh
R/W
One Shot
When written, performs a
one-shot conversion.
00h
Page 36
10h
R
External Diode Temperature
Low Byte
Stores the External
Temperature Low Byte
00h
Page 32
11h
R/W
Scratchpad
Scratchpad - This register
is read/write but does
nothing
00h
Page 36
12h
R/W
Scratchpad
Scratchpad - This register
is read/write but does
nothing
00h
Page 36
13h
R/W
External Diode High Limit
Low Byte
Fractional data of High
Limit
00h
Page 35
14h
R/W
External Diode Low Limit
Low Byte
Fractional data of Low
Limit
00h
Page 35
16h
R/W
Alert Mask
Disables alarms
A4h
Page 36



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