Micrel, Inc.
MIC3001
August 2004
43
M9999-082404-A
Warning Threshold Registers
Temperature High Warning Threshold MSB (THIGHh)
D[7]
read/write
D[6]
read/write
D[5]
read/write
D[4]
read/write
D[3]
read/write
D[2]
read/write
D[1]
read/write
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]
read/write
D[6]
read/write
D[5]
read/write
D[4]
read/write
D[3]
read/write
D[2]
read/write
D[1]
read/write
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 MIC3001 when doing threshold comparisons and setting alarm or warning bits.
Temperature Low Warning Threshold MSB (TLOWh)
D[7]
read/write
D[6]
read/write
D[5]
read/write
D[4]
read/write
D[3]
read/write
D[2]
read/write
D[1]
read/write
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]
read/write
D[6]
read/write
D[5]
read/write
D[4]
read/write
D[3]
read/write
D[2]
read/write
D[1]
read/write
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 MIC3001 when doing threshold comparisons and setting alarm or warning bits.