参数资料
型号: ADT7490ZEVB
厂商: ON Semiconductor
文件页数: 58/75页
文件大小: 0K
描述: BOARD EVALUATION FOR ADT7490
产品变化通告: MFG CHG Notification ADI to ON Semi
标准包装: 1
系列: dBCool®
类型: 温度传感器
适用于相关产品: ADT7490
所含物品: 评估板
其它名称: EVAL-ADT7490EBZ
EVAL-ADT7490EBZ-ND
ADT7490
Table 73. REGISTER 0x5F, REGISTER 0x60, AND REGISTER 0x61 ? REMOTE 1 T RANGE /PWM1 FREQUENCY,
LOCAL T RANGE /PWM 2 FREQUENCY, AND REMOTE 2 T RANGE /PWM3 FREQUENCY (POWER-ON DEFAULT = 0xC4)
Bit No.
[2:0]
[3]
[7:4]
Mnemonic
FREQ
HF/LF
RANGE
R/W (Note 1)
R/W
R/W
R/W
Description
These bits control the PWMx frequency (only apply when PWM channel is in low frequency
mode).
Bit Code
Frequency
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
HF/LF = 1, high frequency PWM mode is enabled for PWMx.
HF/LF = 0, low frequency PWM mode is enabled for PWMx.
These bits determine the PWM duty cycle vs. the temperature range for automatic fan
control.
Bit Code
Temperature
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
1. This register becomes read-only when the Configuration Register 1 (0x40) Lock bit is set. Any further attempts to write to this register have
no effect.
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