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| 型號(hào)： | P80CE560 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類(lèi)： | 8位微控制器 |
| 英文描述： | 8-BIT SINGLE CHIP MICROCONTROLLERS |
| 中文描述： | 8位單晶片微控制器 |
| 文件頁(yè)數(shù)： | 20/84頁(yè) |
| 文件大小： | 441K |
| 代理商： | P80CE560 |
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1997 Aug 01
20
Philips Semiconductors
Product specification
8-bit microcontroller
P8xCE560
Fig.10 Functional diagram of ADC.
handbook, full pagewidth
MBH080
8
8
2
2
10
10
10
8
2 LATCHES
ADCON
SCAN LOGIC
ANALOG
MULTIPLEXER
INTERNAL BUS
8
ADPSS
Read ADRSLn
Read ADRSH
8 x 10-BIT RESULT
REGISTERS
ADEXS
VSSA1
VDDA1
Vref(n)(A)
Vref(p)(A)
ADC0
to
ADC7
SAR
DAC
COMPARATOR
11.4
ADC configuration and operation
Every analog-to-digital conversion is an autoscan
conversion. The two user selectable general operation
modes are continuous scan and one-time scan mode.
The desired analog input port channel(s) for conversion
is(are) selected by programming analog-to-digital input
port scan-select bits in SFR ADPSS. An analog input
channel is included in the autoscan loop if the
corresponding bit in SFR ADPSS is logic 1, a channel is
skipped if the corresponding bit in SFR ADPSS is logic 0.
An autoscan is always started according to the lowest bit
position of SFR ADPSS that contains a logic 1.
An autoscan conversion is started by setting the flag
ADSST in register ADCON either by software or by an
external start signal at input pin ADEXS, if enabled.
Either no edge (external start totally disabled), a rising
edge or/and a falling edge of ADEXS is selectable for
external conversion start by the bits ADSRE and ADSFE
in register ADCON.
After completion of an analog-to-digital conversion the
10-bit result is stored in the corresponding 10-bit buffer
register. Then the next analog input is selected according
to the next higher set bit position in ADPSS, converted and
stored, and so on.
When the result of the last conversion of this autoscan loop
is stored, the ADC interrupt flag ADINT (SFR ADCON), is
set. It is not cleared by interrupt hardware - it must be
cleared by software.
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相關(guān)代理商/技術(shù)參數(shù) |
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| P80CE560EFB | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontroller |
| P80CE562EHA | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontroller |
| P80CE598 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontroller with on-chip CAN |
| P80CE598FFB | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontroller with on-chip CAN |
| P80CE598FFB/00,518 | 功能描述:8位微控制器 -MCU 8B MCU ON-CHIP CAN RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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