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参数资料
| 型号： | MIC3000BMLTR |
| 厂商： | MICREL INC |
| 元件分类： | 数字传输电路 |
| 英文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, QCC24 |
| 封装： | 4 X 4 MM, MLF-24 |
| 文件页数： | 32/68页 |
| 文件大小： | 444K |
| 代理商： | MIC3000BMLTR |
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MIC3000
Micrel
M9999-101204
38
October 2004
Warning Threshold Registers
Temperature High Warning Threshold MSB (THIGHh)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read/write
Default Value
0000 0000b = 00h (0°C)
Serial Address
A2h = 1010001b
Byte Address
04 = 04h
Each LSB represents one degree centigrade. This register is to be used in conjunction with THIGHl to yield a sixteen-
bit temperature value. The value in this register is uncalibrated. The value in THIGHh is compared against TEMPh.
Warning bit Wx is set if TEMPh > THIGHh.
Temperature High Warning Threshold LSB (THIGHl)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read/write
Default Value
0000 0000b = 00h (0°C)
Serial Address
A2h = 1010001b
Byte Address
05 = 05h
This register is to be used in conjunction with THIGHh to yield a sixteen-bit temperature value. The value in this
register is uncalibrated. The value in THIGHh is compared against TEMPh. Warning bit Wx is set if THIGHh > TEMPh.
Since TEMPl is always zero, it is recommended that this register always be programmed to zero. This register is
provided for compliance with SFF-8472. It is not used by the MIC3000 when doing threshold comparisons and setting
alarm or warning bits.
Temperature Low Warning Threshold MSB (TLOWh)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read/write
Default Value
0000 0000b = 00h (0°C)
Serial Address
A2h = 1010001b
Byte Address
06 = 06h
Each LSB represents one degree centigrade. This register is to be used in conjunction with TLOWl to yield a sixteen-
bit temperature value. The value in this register is uncalibrated. The value in TLOWh is compared against TEMPh.
Warning bit Wx is set if TEMPh < TLOWh.
Temperature Low Warning Threshold LSB (TLOWl)
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
read/write
Default Value
0000 0000b = 00h (0°C)
Serial Address
A2h = 1010001b
Byte Address
07 = 07h
This register is to be used in conjunction with TLOWh to yield a sixteen-bit temperature value. The value in this register
is uncalibrated. The value in TLOWh is compared against TEMPh. Warning bit Wx is set if TEMPh < TLOWh. Since
TEMPl is always zero, it is recommended that this register always be programmed to zero. This register is provided for
compliance with SFF-8472. It is not used by the MIC3000 when doing threshold comparisons and setting alarm or
warning bits.
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