參數(shù)資料
型號: P89LPC917
廠商: NXP Semiconductors N.V.
英文描述: 8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V Flash with 8-bit A/D converter
中文描述: 8 - 8加速雙位單片機80C51的時鐘核心2 Kb的3伏閃存位A / D轉換器
文件頁數(shù): 34/72頁
文件大?。?/td> 344K
代理商: P89LPC917
Philips Semiconductors
P89LPC915/916/917
8-bit microcontrollers with accelerated two-clock 80C51 core
Product data
Rev. 04 — 17 December 2004
34 of 72
9397 750 14397
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
channels have been converted. The process will repeat starting with the first selected
channel. Additional conversion results will again cycle through the four result
registers, overwriting the previous results. Continous conversions continue until
terminated by the user.
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 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).
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.
9.9.4
Conversion start modes
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 A/D operating
modes.
Start immediately:
Programming this mode immediately starts a conversion. This
start mode is available in all A/D operating modes.
Edge triggered:
(P89LPC915/917) 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
A/D operating modes.
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P89LPC9171 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core, 2 kB 3 V byte-erasable flash with 8-bit ADC
P89LPC9171FDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core, 2 kB 3 V byte-erasable flash with 8-bit ADC
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P89LPC917FDH 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 2K FLASH TSSOP16 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 2K FLASH, TSSOP16
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