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參數(shù)資料
| 型號(hào)： | MAXQ3120-FFN+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 20 MM, MQFP-80 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 266K |
| 代理商： | MAXQ3120-FFN+ |
DS1620
4 of 12
Table 3 describes the exact relationship of output data to measured temperature.
.
TEMPERATURE/DATA RELATIONSHIPS Table 3
TEMP
DIGITAL OUTPUT
(Binary)
DIGITAL OUTPUT
(Hex)
+125C
0 11111010
00FA
+25C
0 00110010
0032h
+C
0 00000001
0001h
+0C
0 00000000
0000h
-C
1 11111111
01FFh
-25C
1 11001110
01CEh
-55C
1 10010010
0192h
Higher resolutions may be obtained by reading the temperature, and truncating the 0.5°C bit (the LSB)
from the read value. This value is TEMP_READ. The value left in the counter may then be read by
issuing a READ COUNTER command. This value is the count remaining (COUNT_REMAIN) after the
gate period has ceased. By loading the value of the slope accumulator into the count register (using the
READ SLOPE command), this value may then be read, yielding the number of counts per degree C
(COUNT_PER_C) at that temperature. The actual temperature may be then be calculated by the user
using the following:
TEMPERATURE=TEMP_READ-0.25 +
C
COUNT_PER_
IN)
COUNT_REMA
-
_C
(COUNT_PER
OPERATION–THERMOSTAT CONTROLS
Three thermally triggered outputs, THIGH, TLOW, and TCOM, are provided to allow the DS1620 to be used
as a thermostat, as shown in Figure 3. When the DS1620’s temperature meets or exceeds the value stored
in the high temperature trip register, the output THIGH becomes active (high) and remains active until the
DS1620’s measured temperature becomes less than the stored value in the high temperature register, TH.
The THIGH output can be used to indicate that a high temperature tolerance boundary has been met or
exceeded, or it can be used as part of a closed loop system to activate a cooling system and deactivate it
when the system temperature returns to tolerance.
The TLOW output functions similarly to the THIGH output. When the DS1620’s measured temperature
equals or falls below the value stored in the low temperature register, the TLOW output becomes active.
TLOW remains active until the DS1620’s temperature becomes greater than the value stored in the low
temperature register, TL. The TLOW output can be used to indicate that a low temperature tolerance
boundary has been met or exceeded, or as part of a closed loop system it can be used to activate a heating
system and deactivate it when the system temperature returns to tolerance.
The TCOM output goes high when the measured temperature meets or exceeds TH, and will stay high until
the temperature equals or falls below TL. In this way, any amount of hysteresis can be obtained.
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| MAXQ3120-FFN+ | 功能描述:IC MCU 32KB FLASH 80-MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MAXQ® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:260 系列:73S12xx 核心處理器:80515 芯體尺寸:8-位 速度:24MHz 連通性:I²C，智能卡，UART/USART，USB 外圍設(shè)備:LED，POR，WDT 輸入/輸出數(shù):9 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-VFQFN 裸露焊盤 包裝:管件 |
| MAXQ3120-KIT | 制造商:Maxim Integrated Products 功能描述:MAXQ3120 EVALUATION KIT - Bulk |
| MAXQ314 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single-Phase Power-Measurement IC with I2C Interface |
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| MAXQ314-KIT | 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ314 Eval Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
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