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參數(shù)資料
| 型號(hào)： | MAX1617AMEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Remote/Local Temperature Sensor with SMBus Serial Interface |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | PLASTIC, QSOP-16 |
| 文件頁(yè)數(shù)： | 12/18頁(yè) |
| 文件大小： | 234K |
| 代理商： | MAX1617AMEE |
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The Alert Response can activate several different slave
devices simultaneously, similar to the I
2
C General
Call. If more than one slave attempts to respond, bus
arbitration rules apply, and the device with the lower
address code wins. The losing device does not gener-
ate an acknowledge and continues to hold the
ALERT
line low until serviced (implies that the host interrupt
input is level-sensitive). Successful reading of the alert
response address clears the interrupt latch.
Command Byte Func tions
The 8-bit command byte register (Table 4) is the master
index that points to the various other registers within the
MAX1617A. The register’s POR state is 0000 0000, so
that a Receive Byte transmission (a protocol that lacks
the command byte) that occurs immediately after POR
returns the current local temperature data.
The one-shot command immediately forces a new conver-
sion cycle to begin. In software standby mode
(RUN/STOP bit = high), a new conversion is begun, after
which the device returns to standby mode. If a conversion
is in progress when a one-shot command is received, the
I
2
C is a trademark of Phillips Corp.
command is ignored. If a one-shot command is received
in auto-convert mode (RUN/STOP bit = low) between con-
versions, a new conversion begins, the conversion rate
timer is reset, and the next automatic conversion takes
place after a full delay elapses.
Configuration Byte Func tions
The configuration byte register (Table 5) is used to
mask (disable) interrupts and to put the device in soft-
ware standby mode. The lower six bits are internally set
to (XX1111), making them “don’t care” bits. Write zeros
to these bits. This register’s contents can be read back
over the serial interface.
S tatus Byte Func tions
The status byte register (Table 6) indicates which (if
any) temperature thresholds have been exceeded. This
byte also indicates whether or not the ADC is convert-
ing and whether there is an open circuit in the remote
diode DXP–DXN path. After POR, the normal state of all
the flag bits is zero, assuming none of the alarm condi-
tions are present. The status byte is cleared by any
M
Remote/Loc al Temperature S ensor
with S MBus S erial Interfac e
12
______________________________________________________________________________________
Table 4. Command-Byte Bit Assignments
*If the device is in hardware standby mode at POR, both temperature registers read 0°C.
Read remote temperature: returns latest temperature
Read status byte (flags, busy signal)
RRTE
RSL
01h
02h
00h
COMMAND
0000 0000*
N/A
0000 0000*
POR STATE
Read configuration byte
Read conversion rate byte
RCL
RCRA
03h
04h
0000 0000
0000 0010
Read local T
HIGH
limit
Read local T
LOW
limit
RLHN
RLLI
05h
06h
Read local temperature: returns latest temperature
RLTS
0111 1111
1100 1001
Read remote T
HIGH
limit
Read remote T
LOW
limit
RRHI
RRLS
07h
08h
0111 1111
1100 1001
REGISTER
Write configuration byte
Write conversion rate byte
WCA
WCRW
09h
0Ah
N/A
N/A
FUNCTION
Write local T
HIGH
limit
Write local T
LOW
limit
WLHO
WLLM
0Bh
0Ch
N/A
N/A
Write remote T
HIGH
limit
Write remote T
LOW
limit
WRHA
WRLN
0Dh
0Eh
N/A
N/A
One-shot command (use send-byte format)
OSHT
0Fh
N/A
Write software POR
Read manufacturer ID code
SPOR
MFGID
FCh
FEh
N/A
Read device ID code
DEVID
FFh
00000001
0100 1101
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1617AMEE+ | 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1617AMEE+ | 制造商:Maxim Integrated Products 功能描述:IC TEMP SENSOR 8BIT ?2.5 |
| MAX1617AMEE+T | 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1617AMEE+TW | 功能描述:板上安裝溫度傳感器 Remote/Local Temperature Sensor with SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1617AMEE+W | 功能描述:板上安裝溫度傳感器 Remote/Local Temperature Sensor with SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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