參數(shù)資料
型號: LM63CIMA
廠商: National Semiconductor Corporation
元件分類: 溫度/濕度傳感器
英文描述: 【1C/【3C Accurate Remote Diode Digital Temperature Sensor with Integrated Fan Control
中文描述: 【集成電路/【3C數(shù)字精確度遠(yuǎn)程二極管溫度傳感器集成風(fēng)扇控制
文件頁數(shù): 16/28頁
文件大小: 339K
代理商: LM63CIMA
2.0 LM63 Registers
(Continued)
LM63 Register Descriptions In Functional Order
Fan Control Registers
Address
Hex
4A
HEX
FAN PWM AND TACHOMETER CONFIGURATION REGISTER
7:6
00
Read/
Write
Bits
POR
Value
Name
Description
4A
R/W
PWM
Program
These bits are unused and always set to 0.
0: the PWM Value (register 4C) and the Lookup Table (50–5F) are
read-only. The PWM value (0 to 100%) is determined by the current
remote diode temperature and the Lookup Table, and can be read from
the PWM value register.
1: the PWM value (register 4C) and the Lookup Table (Register 50–5F)
are read/write enabled. Writing the PWM Value register will set the
PWM output. This is also the state during which the Lookup Table can
be written.
0: the PWM output pin will be 0 V for fan OFF and open for fan ON.
1: the PWM output pin will be open for fan OFF and 0 V for fan ON.
5
1
4
0
PWM
Output
Polarity
PWM Clock
Select
[Reserved]
3
0
if 0, the master PWM clock is 360 kHz
if 1, the master PWM clock is 1.4 kHz.
Always write 0 to this bit.
00: Traditional tach input monitor, false readings when under minimum
detectable RPM.
01: Traditional tach input monitor, FFFF reading when under minimum
detectable RPM.
10: Most accurate readings, FFFF reading when under minimum
detectable RPM.
11: Least effort on programmed PWM of fan, FFFF reading when under
minimum detectable RPM.
Note: If the PWM Clock is 360 kHz, mode 00 is used regardless of the
setting of these two bits.
2
0
1:0
00
Tachometer
Mode
L
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LM63CIMAX/NOPB 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
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