参数资料
型号: ADM1033ARQZ-REEL
厂商: ON Semiconductor
文件页数: 27/35页
文件大小: 424K
描述: IC THERM/FAN SPEED CTRLR 16-QSOP
产品变化通告: MFG CHG Notification ADI to ON Semi
Product Discontinuation Notice 25/Aug/2008
标准包装: 2,500
功能: 风扇控制,温度监控器
传感器类型: 内部和外部
感应温度: -40°C ~ 125°C,外部传感器
精确度: ±1°C
拓扑: ADC,比较器,多路复用器,寄存器库
输出类型: SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
ADM1033
http://onsemi.com
27
Table 35. ADM1033 REGISTERS
Address
Lock
able?
Default
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Description
R/W
0x3C/BC
R/W
Fan Response
RES
RES
RES
RES
RES
F1
F1
F1
0x01
Y
0x3D/BD
R
Device ID
7
6
5
4
3
2
1
0
0x34
N
0x3E/BE
R
Company ID
7
6
5
4
3
2
1
0
0x41
N
0x3F/BF
R
Revision Register
7
6
5
4
3
2
1
0
0x02
N
0x40/C0
R
Local Temperature
4
3
2
1
0
RES
RES
RES
0x00
N
0x41/C1
R
Local Temperature
12
11
10
9
8
7
6
5
0x00
N
0x42/C2
R
Remote 1 Temp
4
3
2
1
0
RES
RES
RES
0x00
N
0x43/C3
R
Remote 1 Temp
12
11
10
9
8
7
6
5
0x00
N
0x4A/CA
R
TACH1 Period
7
6
5
4
3
2
1
0
0xFF
N
0x4B/CB
R
TACH1 Period
15
14
13
12
11
10
9
8
0xFF
N
0x4E/CE
R
THERM
 % Ontime
7
6
5
4
3
2
1
0
0x00
N
0x4F/CF
R
Status 1
LH
LL
R1H
R1L
R1D
RES
RES
RES
0x00
N
0x50/D0
R
Status 2
LT
R1T
RES
% T
TA
TS
RES
RES
0x00
N
0x51/D1
R
Status 3
F1S
FA
RES
RES
RES
RES
RES
ALERT
0x00
N
Table 36. REGISTER 0X00, # BYTES/BLOCK READ, POR = 0X20, LOCK = Y, S/W RESET = Y
Bit
Name
R/W
Description
<7:0>
# Bytes Block Read
R/W
Block reads are # bytes/block read long. The maximum is 32 bytes, the SMBus transaction
limit.
Table 37. REGISTER 0X01, CONFIGURATION REGISTER 1, POWER-ON DEFAULT 0X01, LOCK = Y, S/W RESET = Y
Bit
Name
R/W
Description
7
Table/SW Con
R/W
Set this bit to 1 to place the fan speed under the control of the Look-up table. When this
bit is 0, the ADM1033 is in software/manual control mode. Default = 0.
6
Lock Bit
R/W
Set this bit to 1 to prevent the user from writing to the ADM1033 registers. 1 = ADM1033
registers locked. 0 = ADM1033 registers unlocked. Default = 0.
5
SDA Timeout
R/W
1 = SDA timeout enabled. 0 = SDA timeout disabled. Default = 0.
4
SCL Timeout
R/W
1 = SCL timeout enabled. 0 = SDL timeout disabled. Default = 0.
3
ALERT
 Configuration
R/W
0 = SMBusALERT
. Default = 0. 1 = ALERT
_COMP mode.
2
Enable THERM
 Timer
R/W
1 = timer enabled, 0 = timer disabled. This bit enables THERM
 as an input. Default = 0.
1
Averaging Off
R/W
This bit is used to disable averaging at the slower conversion rates (8 Hz and slower).
Averaging is automatically disabled at the higher (16, 32, and 64 Hz ) conversion rates.
Default = averaging on = 0.
0
Monitor/STBY
R/W
Set bit to 1 to enable temperature monitoring. Set bit to 0 to disable it. Power-On Default = 1.
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