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| 型號(hào)： | P89LPC933HDH |
| 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 4 kB-8 kB-16 kB 3 V byte-erasable flash with 8-bit ADCs |
| 中文描述： | 8-BIT, FLASH, 18 MHz, MICROCONTROLLER, PDSO28 |
| 封裝： | 4.40 MM, PLASTIC, MO-153, SOT-361-1, TSSOP-28 |
| 文件頁(yè)數(shù)： | 29/77頁(yè) |
| 文件大小： | 537K |
| 代理商： | P89LPC933HDH |
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P89LPC933_934_935_936
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 12 January 2011
35 of 77
NXP Semiconductors
P89LPC933/934/935/936
8-bit microcontroller with accelerated two-clock 80C51 core
not being used as the CPU clock. If the XTAL oscillator is used as the CPU clock, then the
RTC will use CCLK as its clock source. Only power-on reset will reset the RTC and its
associated SFRs to the default state.
8.19 CCU (P89LPC935/936)
This unit features:
A 16-bit timer with 16-bit reload on overflow.
Selectable clock, with prescaler to divide clock source by any integral number
between 1 and 1024.
Four compare/PWM outputs with selectable polarity.
Symmetrical/asymmetrical PWM selection.
Two capture inputs with event counter and digital noise rejection filter.
Seven interrupts with common interrupt vector (one overflow, two capture,
four compare).
Safe 16-bit read/write via shadow registers.
8.19.1 CCU clock
The CCU runs on the CCUCLK, which is either PCLK in basic timer mode, or the output of
a Phase-Locked Loop (PLL). The PLL is designed to use a clock source between 0.5 MHz
to 1 MHz that is multiplied by 32 to produce a CCUCLK between 16 MHz and 32 MHz in
PWM mode (asymmetrical or symmetrical). The PLL contains a 4-bit divider to help divide
PCLK into a frequency between 0.5 MHz and 1 MHz.
8.19.2 CCUCLK prescaling
This CCUCLK can further be divided down by a prescaler. The prescaler is implemented
as a 10-bit free-running counter with programmable reload at overflow.
8.19.3 Basic timer operation
The timer is a free-running up/down counter with a direction control bit. If the timer
counting direction is changed while the counter is running, the count sequence will be
reversed. The timer can be written or read at any time.
When a reload occurs, the CCU Timer Overflow Interrupt Flag will be set, and an interrupt
generated if enabled. The 16-bit CCU timer may also be used as an 8-bit up/down timer.
8.19.4 Output compare
There are four output compare channels A, B, C and D. Each output compare channel
needs to be enabled in order to operate and the user will have to set the associated I/O
pin to the desired output mode to connect the pin. When the contents of the timer matches
that of a capture compare control register, the Timer Output Compare Interrupt Flag
(TOCFx) becomes set. An interrupt will occur if enabled.
8.19.5 Input capture
Input capture is always enabled. Each time a capture event occurs on one of the two input
capture pins, the contents of the timer is transferred to the corresponding 16-bit input
capture register. The capture event can be programmed to be either rising or falling edge
triggered. A simple noise filter can be enabled on the input capture by enabling the Input
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P89LPC933HDH,512 | 功能描述:8位微控制器 -MCU 8B MCU 2-CLOCK 80C51 4/8/16KB 3V 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
| P89LPC934 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB/16 kB 3 V byte-erasable Flash with 8-bit ADCs |
| P89LPC9341FDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs |
| P89LPC9341FDH,512 | 功能描述:8位微控制器 -MCU IC 80C51 MCU FLASH 8K 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
| P89LPC934FDH | 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 8K FLASH TSSOP28 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 8K FLASH, TSSOP28, Controller Family/Series:(8051) 8052, Core Siz |
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