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參數(shù)資料
| 型號： | P89LPC9107FDH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit microcontrollers with two-clock accelerated 80C51 core 1 kB 3 V byte-erasable Flash with 8-bit A/D converter |
| 中文描述： | 8-BIT, FLASH, 18 MHz, MICROCONTROLLER, PDSO14 |
| 封裝： | 4.40 MM, PLASTIC, MO-153, SOT-402-1, TSSOP-14 |
| 文件頁數(shù)： | 44/58頁 |
| 文件大?。?/td> | 257K |
| 代理商： | P89LPC9107FDH |
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9397 750 14655
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 11 April 2005
44 of 58
Philips Semiconductors
P89LPC9102/9103/9107
8-bit microcontrollers with two-clock accelerated 80C51 core
9.4.5
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
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).
9.4.6
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.
9.5 Conversion start modes
9.5.1
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 A/D operating modes.
9.5.2
Start immediately
Programming this mode immediately starts a conversion. This start mode is available in all
A/D operating modes.
9.6 Boundary limits interrupt
The A/D converter has both a high and low boundary limit register. After the four MSBs
have been converted, these four bits are compared with the four MSBs of the boundary
high and low registers. If the four MSBs of the conversion are outside the limit an interrupt
will be generated, if enabled. If the conversion result is within the limits, the boundary
limits will again be compared after all 8 bits have been converted. An interrupt will be
generated, if enabled, if the result is outside the boundary limits. The boundary limit may
be disabled by clearing the boundary limit interrupt enable.
9.7 DAC output to a port pin with high output impedance
The A/D converter’s DAC block can be output to a port pin. In this mode, the AD1DAT3
register is used to hold the value fed to the DAC. After a value has been written to the DAC
(written to AD1DAT3), the DAC output will appear on the channel 3 pin.
9.8 Clock divider
The A/D converter requires that its internal clock source be in the range of 500 kHz to
3.3 MHz to maintain accuracy. A programmable clock divider that divides the clock
from 1 to 8 is provided for this purpose.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| P89LPC9107FDH,129 | 功能描述:8位微控制器 -MCU 80C51 1K FL 128B RAM 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 安裝風格:SMD/SMT |
| P89LPC9107FDH129 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 18MHZ TSSOP-14 |
| P89LPC9107FN | 功能描述:8位微控制器 -MCU 1KFL/128B RAM/8B ADC/PWM/UART 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 安裝風格:SMD/SMT |
| P89LPC9107FN,112 | 功能描述:8位微控制器 -MCU 1KFL/128B RAM/8B 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 安裝風格:SMD/SMT |
| P89LPC912 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
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