參數(shù)資料
型號: 784217A
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT
中文描述: 馬鞍山集成電路
文件頁數(shù): 42/100頁
文件大?。?/td> 564K
代理商: 784217A
Data Sheet U14121EJ2V0DS00
42
μ
PD784214A, 784215A, 784216A, 784217A, 784218A, 784214AY, 784215AY, 784216AY, 784217AY, 784218AY
7.5 A/D Converter
An A/D converter converts an analog signal input into a digital signal. This microcontroller is provided with an A/D
converter with a resolution of 8 bits and eight channels (ANI0 to ANI7).
This A/D converter is of successive approximation type and the result of conversion is stored in an 8-bit A/D
conversion result register (ADCR).
The A/D converter can be started in the following two ways:
Hardware start
Conversion is started by trigger input (P03).
Software start
Conversion is started by setting the A/D converter mode register (ADM).
One analog input channel is selected from ANI0 to ANI7 for A/D conversion. When A/D conversion is started by
means of hardware start, conversion is stopped after it has been completed. When conversion is started by means
of software start, A/D conversion is repeatedly executed. Each time conversion has been completed, an interrupt
request (INTAD) is generated.
Figure 7-7. Block Diagram of A/D Converter
ANI0
ANI1
ANI2
ANI3
ANI4
ANI5
ANI6
ANI7
Sample & hold circuit
Series resistor string
Voltage comparator
Successive approximation
register (SAR)
A/D conversion result register
(ADCR)
Controller
Edge
detector
INTP3/P03
INTAD
INTP3
AV
SS
AV
REF0
AV
DD
Internal bus
S
T
Edge
detector
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
784217AY 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784218A 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784218AY 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
78423 SL001 功能描述:20 Conductor Multi-Conductor Cable Slate 24 AWG Foil, Braid 1000' (304.80m) 制造商:alpha wire 系列:EcoCable? Mini 零件狀態(tài):有效 電纜類型:多芯 導(dǎo)體數(shù):20 線規(guī):24 AWG 導(dǎo)線股數(shù):19/36 導(dǎo)體材料:銅,鍍錫 護(hù)套(絕緣)材料:聚苯醚(PPE) 護(hù)套(絕緣)直徑:0.269"(6.83mm) 屏蔽類型:箔,編織線 長度:1000'(304.80m) 套管顏色:瓦色 等級:ISO 10993,UL 式 21460 特性:生物相容性,加蔽線,拉繩 電壓:300V 工作溫度:-40°C ~ 80°C 使用:- 導(dǎo)體絕緣:聚苯醚(PPE) 護(hù)套(絕緣)厚度:0.015"(0.39mm) 屏蔽材料:Suprashield?;銅,鍍錫 屏蔽范圍:1 標(biāo)準(zhǔn)包裝:1
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