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參數(shù)資料
| 型號： | P89LPC9241FDH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit microcontroller with accelerated two-clock 80C51 core 2 kB-4 kB-8 kB 3 V byte-erasable flash with 8-bit ADC |
| 中文描述： | MICROCONTROLLER, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-153, SOT360-1, TSSOP-20 |
| 文件頁數(shù)： | 44/75頁 |
| 文件大小： | 1612K |
| 代理商： | P89LPC9241FDH |
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P89LPC92X1
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 1 December 2010
49 of 75
NXP Semiconductors
P89LPC9201/9211/922A1/9241/
8-bit microcontroller with 8-bit ADC
8.5.3 Auto scan, single conversion mode
Any combination of the four input channels can be selected for conversion. A single
conversion of each selected input will be performed and the result placed in the result
register which corresponds to the selected input channel. An interrupt, if enabled, will be
generated after all selected channels have been converted. If only a single channel is
selected this is equivalent to single channel, single conversion mode.
8.5.4 Auto scan, continuous conversion mode
Any combination of the four input channels can be selected for conversion. A conversion
of each selected input will be performed and the result placed in the result register which
corresponds to the selected input channel. An interrupt, if enabled, will be generated after
all selected channels have been converted. The process will repeat starting with the first
selected channel. Additional conversion results will again cycle through the four result
register pairs, overwriting the previous results. Continuous conversions continue until
terminated by the user.
8.5.5 Dual channel, continuous conversion mode
This is a variation of the auto scan continuous conversion mode where conversion occurs
on two user-selectable inputs. The result of the conversion of the first channel is placed in
the result register, AD1DAT0. The result of the conversion of the second channel is placed
in result register, AD1DAT1. The first channel is again converted and its result stored in
AD1DAT2. The second channel is again converted and its result placed in AD1DAT3. An
interrupt is generated, if enabled, after every set of four conversions (two conversions per
channel).
8.5.6 Single step mode
This special mode allows ‘single-stepping’ in an auto scan conversion mode. Any
combination of the four input channels can be selected for conversion. After each channel
is converted, an interrupt is generated, if enabled, and the A/D waits for the next start
condition. May be used with any of the start modes.
8.6 Conversion start modes
8.6.1 Timer triggered start
An A/D conversion is started by the overflow of Timer 0. Once a conversion has started,
additional Timer 0 triggers are ignored until the conversion has completed. The Timer
triggered start mode is available in all ADC operating modes.
8.6.2 Start immediately
Programming this mode immediately starts a conversion. This start mode is available in all
ADC operating modes.
8.6.3 Edge triggered
An A/D conversion is started by rising or falling edge of P1.4. Once a conversion has
started, additional edge triggers are ignored until the conversion has completed. The edge
triggered start mode is available in all ADC operating modes.
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| P89LPC9241FDH,112 | 功能描述:8位微控制器 -MCU MCU 8-Bit CISC 4KB Flash2.5V/3.3V 20Pin 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| P89LPC924FDH | 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 4K FLASH TSSOP20 |
| P89LPC924FDH,518 | 功能描述:8位微控制器 -MCU 4K FL/256B 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| P89LPC924FDH,529 | 功能描述:8位微控制器 -MCU ORDER P89LPC924FDH-T T/R 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| P89LPC924FDH518 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 18MHZ TSSOP-20 |
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