參數(shù)資料
型號(hào)： AMC6821SDBQ
英文描述： Analog Monitor and Control Circuit
中文描述： 模擬監(jiān)視和控制電路
文件頁(yè)數(shù)： 41/47頁(yè)
文件大?。?/td> 547K
代理商： AMC6821SDBQ
www.ti.com
P
TEMPERATURE LIMIT REGISTERS
AMC6821
SBAS386A–MAY 2006–REVISED MAY 2006
Remote-Temp-DATA-HByte Register (Address 0x0B, Value After Power-On or Reset = 0x80, –128
°
C)
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
RT10 (MSB)
RT9
RT8
RT7
RT6
RT5
RT4
RT3
Bits [RT10:RT3] are the eight MSBs of the newest remote temperature reading.
It is important to note that temperature can be read as an 8-bit value (with 1
°
C resolution) from the
Temp-DATA-Hbyte register, or as an 11-bit value (with 0.125
°
C resolution) from the Temp-DATA-LByte and
Temp-DATA-HByte registers. If only 1
°
C resolution is required, the temperature readings can be read back at
any time and in no particular order. If the 11-bit measurement is required, this involves a two-register read for
each measurement. The Temp-DATA-LByte register (0x06) should be read first. This condition causes all
temperature reading registers to be frozen until the
Remote-Temp-DATA-HByte Register
(0x0B) is read. This
architecture also prevents an MSB reading from being updated while the 3LSBs are being read, and vice versa.
Local High Temperature Limit Register: [LT-H10:LT-H0]
Local Low Temperature Limit Register: [LT-L10:LT-L0]
Local-High-Temp-Limit Register (Address 0x14, Value After Power-On or Reset = 0x3C, +60
°
C)
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
LT-H10 (MSB)
LT-H9
LT-H8
LT-H7
LT-H6
LT-H5
LT-H4
LT-H3
These bits are the upper bounds of the local temperature. Bits [LT-H2:LT-H0] are always '0'.
Local-Low-Temp-Limit Register (Address 0x15, Value After Power-On or Reset = 0x00, 0
°
C)
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
LT-L10 (MSB)
LT-L9
LT-L8
LT-L7
LT-L6
LT-L5
LT-L4
LT-L3
These bits are the lower bounds of the local temperature. Bits [LT-L2:LT-L0] are always '0'.
Local-THERM-Limit Register (Address 0x16, Value After Power-On or Reset = 0x46, +70
°
C)
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
LT-T10 (MSB)
LT-T9
LT-T8
LT-T7
LT-T6
LT-T5
LT-T4
LT-T3
These bits are the thermal threshold of the local temperature. Bits [LT-T2:LT-T0] are always '0'.
Remote-High-Temp-Limit Register (Address 0x18, Value After Power-On or Reset = 0x50, +80
°
C)
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
RT-H10 (MSB)
RT-H9
RT-H8
RT-H7
RT-H6
RT-H5
RT-H4
RT-H3
These bits are the upper bounds of the remote temperature. Bits [RT-H2:RT-H0] are always '0'.
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