参数资料
型号: DS1780E+T&R
厂商: Maxim Integrated
文件页数: 19/28页
文件大小: 0K
描述: IC CPU PERIPHERAL MON 24-TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
功能: 温度监控器,CPU 外围设备
传感器类型: 内部
感应温度: -40°C ~ 125°C
精确度: ±12°C(最小值)
拓扑: ADC(三角积分型),比较器,风扇速度控制,寄存器库
输出类型: I²C?/SMBus?
输出警报:
输出风扇:
电源电压: 2.8 V ~ 5.75 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
DS1780
RESERVED REGISTER (ADDRESS 0X45; POWER-UP DEFAULT=00h)
Table 10.7
BIT
<7:0>
NAME
RESERVED
R/W
R/W
Undefined (Power On = 00h).
DESCRIPTION
CHASSIS INTRUSION CLEAR REGISTER (ADDRESS 0X46; POWER-UP
DEFAULT=00h) Table 10.8
BIT
0-6
7
NAME
RESERVED
Chassis Int
Clear
R/W
R/W
R/W
DESCRIPTION
Undefined (Power On = 00h).
A 1 outputs a minimum 20 ms active low pulse on the Chassis Intrusion (CHS) pin. The
register bit clears itself after the pulse has been output.
VID REGISTER (ADDRESS 0x47; POWER-UP DEFAULT = SEE “ADDRESS
POINTER” TABLE) Table 10.9
BIT
0-3
NAME
VID
R/W
R
DESCRIPTION
The VID[3:0] inputs from Pentium/PRO power supplies to indicate the operating voltage
(e.g., 1.5V to 2.9V).
FAN1 Speed Control.
4-5
FAN1 RPM
control
R/W
<5:4> = 00 - divide by 1
<5:4> = 01 - divide by 2
<5:4> = 10 - divide by 4
<5:4> = 11 - divide by 8
FAN2 Speed Control.
6-7
FAN2 RPM
control
R/W
<7:6> = 00 - divide by 1
<7:6> = 01 - divide by 2
<7:6> = 10 - divide by 4
<7:6> = 11 - divide by 8
SERIAL ADDRESS REGISTER (ADDRESS 0x48; POWER-UP DEFAULT =
SEE DESCRIPTION BELOW) Table 10.10
BIT
0-7
NAME
2-Wire Bus
Address
R/W
R/W
DESCRIPTION
2-Wire Bus Address (Power On = 001011(A1)(A0)).
VID4 REGISTER (ADDRESS 0x49; POWER-UP DEFAULT = SEE
DESCRIPTION BELOW Table 10.11
BIT
0
1-7
NAME
VID 4
Reserved
R/W
R
R/W
DESCRIPTION
VID4 Input.
Default Power On Values = 1000000.
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