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參數(shù)資料
| 型號： | P89LPC915 |
| 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)： | 43/72頁 |
| 文件大?。?/td> | 344K |
| 代理商： | P89LPC915 |
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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
43 of 72
9397 750 14397
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
9.16.4
Mode 3
When Timer 1 is in Mode 3 it is stopped. Timer 0 in Mode 3 forms two separate 8-bit
counters and is provided for applications that require an extra 8-bit timer. When
Timer 1 is in Mode 3 it can still be used by the serial port as a baud rate generator.
9.16.5
Mode 6
In this mode, the corresponding timer can be changed to a PWM with a full period of
256 timer clocks.
9.16.6
Timer overflow toggle output
Timer 0 (and Timer 1 on the P89LPC917) can be configured to automatically toggle
the timer output pin, Tx, whenever a timer overflow occurs. The same device pin that
is used for the count input is also used for the timer toggle output. The port output will
be a logic 1 prior to the first timer overflow when this mode is turned on.
9.17 Real-Time clock/system timer
The P89LPC915/916/917 devices have a simple Real-Time clock that allows a user
to continue running an accurate timer while the rest of the device is powered-down.
The Real-Time clock can be a wake-up or an interrupt source. The Real-Time clock is
a 23-bit down counter comprised of a 7-bit prescaler and a 16-bit loadable down
counter. When it reaches all logic 0s, the counter will be reloaded again and the
RTCF flag will be set.
The clock source for this counter can either be the CPU clock (CCLK) or the external
clock input, provided that the external clock input is not being used as the CPU clock.
If the external clock input is used as the CPU clock, then the RTC will use CCLK as its
clock source.
Only power-on reset will reset the Real-Time clock and its associated SFRs to the
default state.
9.18 UART
The P89LPC915/916/917 has an enhanced UART that is compatible with the
conventional 80C51 UART except that Timer 2 overflow cannot be used as a baud
rate source. The P89LPC915/916/917 does include an independent Baud Rate
Generator. The baud rate can be selected from CCLK (divided by a constant),
Timer 1 overflow, or the independent Baud Rate Generator. In addition to the baud
rate generation, enhancements over the standard 80C51 UART include Framing
Error detection, automatic address recognition, selectable double buffering and
several interrupt options. The UART can be operated in 4 modes: shift register, 8-bit
UART, 9-bit UART, and CCLK/32 or CCLK/16.
9.18.1
Mode 0
Serial data enters and exits through RxD. TxD outputs the shift clock. 8 bits are
transmitted or received, LSB first. The baud rate is fixed at
1
16
of the CPU clock
frequency.
相關(guān)PDF資料 |
PDF描述 |
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| P89LPC915HDH | 8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V Flash with 8-bit A/D converter |
| P89LPC916 | 8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V Flash with 8-bit A/D converter |
| P89LPC917 | 8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V Flash with 8-bit A/D converter |
| P89LPC932A1 | 8-Bit Microcontroller with accelerated two-clock 80C51 core 8kB 3V byte-erasable flash with 512-byte data EEPROM |
| P89LPC932 | 80C51 8-bit microcontroller with two-clock core 8 KB 3 V low-power Flash with 512-byte data EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P89LPC9151 | 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 |
| P89LPC9151FDH | 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 |
| P89LPC9151FDH,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 |
| P89LPC915FDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V Flash with 8-bit A/D converter |
| P89LPC915FDH,129 | 功能描述:8位微控制器 -MCU 80C51 2K FL 256B 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(fēng)格:SMD/SMT |
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