参数资料
型号: LM89-1EVAL
厂商: National Semiconductor
文件页数: 17/32页
文件大小: 0K
描述: BOARD EVALUATION LM89-1
标准包装: 1
传感器类型: 温度
传感范围: 0°C ~ 125°C
接口: SMBus(2 线/I²C)
灵敏度: ±1°C
电源电压: 3 V ~ 3.6 V
嵌入式:
已供物品: 板,CD
已用 IC / 零件: LM89-1
相关产品: LM89-1CIMX-ND - IC TEMP SENSOR DGTL 8-SOIC
LM89-1CIMM/NOPBTR-ND - IC TEMP SENSOR DGTL 8-MSOP
LM89-1CIMMX/NOPBTR-ND - IC TEMP SENSOR DGTL 8-MSOP
LM89-1CIM-ND - IC TEMP SENSOR DGTL 8-SOIC

SNIS128C – AUGUST 2002 – REVISED MARCH 2013
LM89 REGISTERS
COMMAND REGISTER
Selects which registers will be read from or written to. Data for this register should be transmitted during the
Command Byte of the SMBus write communication.
P7
P6
P5
P4
P3
P2
P1
P0
Command Select
P0-P7: Command Select
Command Select Address
Power-On-Default State
Register
Register Function
Read Address
<P7:P0> hex
Write Address
<P7:P0> hex
<D7:D0> binary
<D7:D0>
decimal
Name
00h
01h
02h
03h
04h
NA
NA
NA
09h
0Ah
0000 0000
0000 0000
0000 0000
0000 0000
0000 1000
0
0
0
0
8 (16
LT
RTHB
SR
C
CR
Local Temperature
Remote Temperature High Byte
Status Register
Configuration
Conversion Rate
conv./sec)
05h
06h
07h
08h
NA
0Bh
0Ch
0Dh
0Eh
0Fh
0100 0110
0000 0000
0100 0110
0000 0000
70
0
70
0
LHS
LLS
RHSHB
RLSHB
One Shot
Local HIGH Setpoint
Local LOW Setpoint
Remote HIGH Setpoint High Byte
Remote LOW Setpoint High Byte
Writing to this register will initiate a
one shot conversion
10h
11h
NA
11h
0000 0000
0000 0000
0
0
RTLB
RTOHB
Remote Temperature Low Byte
Remote Temperature Offset High
Byte
12h
12h
0000 0000
0
RTOLB
Remote Temperature Offset Low
Byte
13h
14h
19h
20h
21h
13h
14h
19h
20h
21h
0000 0000
0000 0000
0110 1110
0101 0101
0000 1010
0
0
110
85
10
RHSLB
RLSLB
RCS
LCS
TH
Remote HIGH Setpoint Low Byte
Remote LOW Setpoint Low Byte
Remote T_CRIT Setpoint
Local T_CRIT Setpoint
T_CRIT Hysteresis
B0h-BEh
B0h-BEh
Manufacturers Test Registers
BFh
FEh
FFh
BFh
NA
NA
0000 0000
0000 0001
LM89 0011 0001
0
1
49
RDTF
RMID
RDR
Remote Diode Temperature Filter
Read Manufacturer's ID
Read Stepping or Die Revision Code
LM89-1 0011 0100
52
LOCAL and REMOTE TEMPERATURE REGISTERS (LT, RTHB, RTLB)
Table 2. LOCAL and REMOTE TEMPERATURE REGISTERS (LT, RTHB) (Read Only Address 00h, 01h):
BIT
Value
D7
SIGN
D6
64
D5
32
D4
16
D3
8
D2
4
D1
2
D0
1
For LT and RTHB D7–D0: Temperature Data. LSB = 1°C. Two's complement format.
Copyright ? 2002–2013, Texas Instruments Incorporated
Product Folder Links: LM89
17
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