參數(shù)資料
型號： LM12454
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： ADC
英文描述： 12-Bit Sign Data Acquisition System with Self-Calibration
中文描述： 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQCC44
文件頁數(shù)： 5/103頁
文件大小： 1355K
代理商： LM12454
grifo
ITALIAN TECHNOLOGY
Pagina II
GPC
150 Rel. 3.00
JUMPERS .............................................................................................................................. 32
JUMPERS A 2 VIE........................................................................................................... 34
JUMPERS A 3 VIE........................................................................................................... 35
JUMPER A 4 VIE ............................................................................................................. 35
JUMPER A 5 VIE ............................................................................................................. 35
RESET E WATCH DOG....................................................................................................... 36
BACK UP ............................................................................................................................... 36
POWER FAILURE ............................................................................................................... 37
INTERRUPTS ....................................................................................................................... 37
COMUNICAZIONE SERIALE........................................................................................... 38
INGRESSI DI CONFIGURAZIONE .................................................................................. 40
SELEZIONE MEMORIE..................................................................................................... 41
DESCRIZIONE SOFTWARE................................................................................................... 42
MAPPAGGI ED INDIRIZZAMENTI...................................................................................... 46
MAPPAGGIO DELLE RISORSE DI BORDO.................................................................. 46
MAPPAGGIO I/O ................................................................................................................. 47
MAPPAGGIO ABACO
BUS .............................................................................................. 49
MAPPAGGIO MEMORIE................................................................................................... 49
DESCRIZIONE SOFTWARE DELLE PERIFERICHE DI BORDO .................................. 52
MEMORY MANAGEMENT UNIT .................................................................................... 52
A/D CONVERTER ................................................................................................................ 53
WATCH DOG ESTERNO .................................................................................................... 54
EEPROM SERIALE ............................................................................................................. 54
STATO DELLA BATTERIA ................................................................................................ 54
INGRESSI DI CONFIGURAZIONE .................................................................................. 55
LED DI ATTIVITA' .............................................................................................................. 55
FLASH EPROM SERIALE ................................................................................................. 56
BAUD RATE GENERATOR................................................................................................ 56
REAL TIME CLOCK ........................................................................................................... 57
PPI 82C55............................................................................................................................... 59
PERIFERICHE INTERNE DELLA CPU .......................................................................... 59
SCHEDE ESTERNE .................................................................................................................. 60
BIBLIOGRAFIA ........................................................................................................................ 64
APPENDICE A: SCHEMI ELETTRICI ...............................................................................A-1
APPENDICE B: DESCRIZIONE COMPONENTI DI BORDO......................................... B-1
CPU 80C188 ........................................................................................................................... B-1
A/D CONVERTER LM12H458.......................................................................................... B-15
APPENDICE C: INDICE ANALITICO ................................................................................C-1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM12454_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit + Sign Data Acquisition System with Self-Calibration
LM12454A WAF 制造商:Texas Instruments 功能描述:
LM12454CIV 功能描述:IC ACQUISITION SYS 12BIT 44-PLCC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
LM12458 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit Sign Data Acquisition System with Self-Calibration
LM12458A WAF 制造商:Texas Instruments 功能描述:
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