參數(shù)資料
型號(hào): ADT7476ARQZ-REEL7
廠商: ANALOG DEVICES INC
元件分類: 溫度/濕度傳感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT
封裝: ROHS COMPLIANT, MO-137AE, QSOP-24
文件頁(yè)數(shù): 59/72頁(yè)
文件大?。?/td> 5219K
代理商: ADT7476ARQZ-REEL7
ADT7476
Rev. B | Page 62 of 72
Table 36. TEMP TRANGE/PWM Frequency Registers
Register Address
Description
Power-On Default
0x5F
R/W
Remote 1 TRANGE/PWM1 frequency
0xC4
0x60
R/W
Local TRANGE/PWM2 frequency
0xC4
0x61
R/W
Remote 2 TRANGE/PWM3 frequency
0xC4
1 These registers become read-only when the Configuration Register 1 LOCK bit is set. Any subsequent attempts to write to these registers fail.
Table 37. Register 0x5F, Register 0x60, and Register 0x61—TEMP TRANGE/PWM Frequency Registers (Power-On Default = 0xC4)
Bit
Name
R/W
Description
[2:0]
FREQ
R/W
These bits control the PWMx frequency (only apply when PWM channel is in low frequency mode).
000 = 11.0 Hz
001 = 14.7 Hz
010 = 22.1 Hz
011 = 29.4 Hz
100 = 35.3 Hz (default)
101 = 44.1 Hz
110 = 58.8 Hz
111 = 88.2 Hz
[3]
HF/LF
R/W
HF/LF = 1, high frequency PWM mode is enabled for PWMx.
HF/LF = 0, low frequency PWM mode is enabled for PWMx.
[7:4]
RANGE
R/W
These bits determine the PWM duty cycle vs. the temperature range for automatic fan control.
0000 = 2°C
0001 = 2.5°C
0010 = 3.33°C
0011 = 4°C
0100 = 5°C
0101 = 6.67°C
0110 = 8°C
0111 = 10°C
1000 = 13.33°C
1001 = 16°C
1010 = 20°C
1011 = 26.67°C
1100 = 32°C (Default)
1101 = 40°C
1110 = 53.33°C
1111 = 80°C
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