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參數(shù)資料
| 型號： | LM64 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 【1∑C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO’s |
| 中文描述： | 【1ΣC遠程二極管溫度傳感器，PWM風(fēng)扇控制和5個GPIO的 |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 363K |
| 代理商： | LM64 |
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2.0 LM64 Registers
(Continued)
Register
0x[HEX]
4D
4E
4F
50–5F
60–BE
BF
C0–FD
FE
FF
Register Name
DATA BITS
D4
PWMF4
Not Used
LOOKH4
D7
0
D6
0
D5
0
D3
D2
D1
D0
PWM Frequency
[Reserved]
Lookup Table Hystersis
Lookup Table
[Reserved]
Rmt Diode Temp Filter
[Reserved]
Manufacturer’s ID
Stepping/Die Rev. ID
PWMF3
PWMF2
PWMF1
PWMF0
0
0
0
LOOKH3
LOOKH2
LOOKH1
LOOKH0
Lookup Table of up to 8 PWM and Temp Pairs in 8-bit Registers
Not Used
0
0
0
Not Used
0
0
0
1
0
1
0
0
RDTF1
RDTF0
ALTCOMP
0
0
0
0
0
0
0
0
1
1
2.2 LM64 REGISTER MAP IN FUNCTIONAL ORDER
The following is a Register Map grouped in Functional Order. Some address locations have been left blank to maintain
compatibility with LM86. Addresses in parenthesis are mirrors of named address. Reading or writing either address will access
the same 8-bit register. The Fan Control and Configuration Registers are listed first, as there is a required order to setup these
registers first and then setup the others. The detailed explanations of each register will follow the order shown below. POR =
Power-On-Reset.
Register
[HEX]
FAN CONTROL REGISTERS
4A
PWM and RPM
4B
Fan Spin-Up Configuration
4D
PWM Frequency
Register Name
Read/Write
POR Default
[HEX]
R/W
R/W
R/W
20
3F
17
4C
PWM Value
Read Only
(R/W if Override Bit is Set)
R/W
R/W
00
50–5F
4F
CONFIGURATION REGISTER
03 (09)
Configuration
TACHOMETER COUNT AND LIMIT REGISTERS
46
Tach Count LSB
47
Tach Count MSB
48
Tach Limit LSB
49
Tach Limit MSB
LOCAL TEMPERATURE AND LOCAL SETPOINT REGISTERS
00
Local Temperature
05 (0B)
Local High Setpoint
REMOTE DIODE TEMPERATURE AND SETPOINT REGISTERS
01
Remote Temperature MSB
10
Remote Temperature LSB
11
Remote Temperature Offset MSB
12
Remote Temperature Offset LSB
07 (0D)
Remote High Setpoint MSB
13
Remote High Setpoint LSB
08 (0E)
Remote Low Setpoint MSB
14
Remote Low Setpoint LSB
19
Remote TCRIT Setpoint
21
Remote TCRIT Hys
BF
Remote Diode Temperature Filter
Lookup Table
Lookup Table Hysteresis
See Table
04
R/W
00
Read Only
Read Only
R/W
R/W
N/A
N/A
FF
FF
Read Only
R/W
N/A
46 (70)
Read Only
Read Only
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
00
00
46 (70C)
00
00 (0C)
00
55 (85C)
0A (10C)
00
L
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