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參數(shù)資料
| 型號： | P89LPC916 |
| 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(zhuǎn)換器 |
| 文件頁數(shù)： | 35/72頁 |
| 文件大?。?/td> | 344K |
| 代理商： | P89LPC916 |
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Philips Semiconductors
P89LPC915/916/917
8-bit microcontrollers with accelerated two-clock 80C51 core
Product data
Rev. 04 — 17 December 2004
35 of 72
9397 750 14397
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
9.9.5
Boundary limits interrupt
The A/D converters have 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.
9.9.6
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 AD1DAT3, the DAC output will appear on the channel 3 pin.
9.9.7
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.
9.9.8
Power-down and Idle mode
In Idle mode the A/D converter, if enabled, will continue to function and can cause the
device to exit Idle mode when the conversion is completed if the A/D interrupt is
enabled. In Power-down mode or Total power-down mode, the A/D does not function.
If the A/D is enabled, it will consume power. Power can be reduced by disabling the
A/D.
9.10 Memory organization
The various P89LPC915/916/917 memory spaces are as follows:
DATA
256 bytes of internal data memory space (00h:FFh) accessed via direct or indirect
addressing, using instructions other than MOVX and MOVC. All or part of the
Stack may be in this area.
SFR
Special Function Registers. Selected CPU registers and peripheral control and
status registers, accessible only via direct addressing.
CODE
64 kB of Code memory space, accessed as part of program execution and via the
MOVC instruction. The P89LPC915/916/917 has 2 kB of on-chip Code memory.
9.11 Interrupts
The P89LPC915/916/917 uses a four priority level interrupt structure. This allows
great flexibility in controlling the handling of the many interrupt sources.
The P89LPC915 and P89LPC917 support 13 interrupt sources: external interrupts 0
and 1, timers 0 and 1, serial port Tx, serial port Rx, combined serial port Rx and Tx,
brownout detect, Watchdog/Real-Time clock, I2C, keyboard, comparators 1 and 2,
and the A/D converter.
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| P89LPC917 | 8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V Flash with 8-bit A/D converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P89LPC9161 | 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 |
| P89LPC9161FDH | 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 |
| P89LPC9161FDH,129 | 功能描述:8位微控制器 -MCU IC 80C51 MCU FLASH 2KB 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 |
| P89LPC916FDH | 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 |
| P89LPC916FDH,118 | 功能描述:8位微控制器 -MCU 2K 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 |
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