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| 型号： | P89LPC935FA,129 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 29/77页 |
| 文件大小： | 0K |
| 描述： | IC 80C51 MCU FLASH 8K 28-PLCC |
| 产品培训模块： | Migrating from 8/16-Bit MCUs to 32-Bit ARMs |
| 标准包装： | 37 |
| 系列： | LPC900 |
| 核心处理器： | 8051 |
| 芯体尺寸： | 8-位 |
| 速度： | 12MHz |
| 连通性： | I²C，SPI，UART/USART |
| 外围设备： | 欠压检测/复位，LED，POR，PWM，WDT |
| 输入/输出数： | 26 |
| 程序存储器容量： | 8KB（8K x 8） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 512 x 8 |
| RAM 容量： | 768 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.4 V ~ 3.6 V |
| 数据转换器： | A/D 8x8b; D/A 2x8b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 28-PLCC |
| 包装： | 管件 |
| 产品目录页面： | 706 (CN2011-ZH PDF) |
| 配用： | 622-1014-ND - BOARD FOR LPC9XX TSSOP 622-1006-ND - SOCKET ADAPTER BOARD 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART 568-3510-ND - DEMO BOARD SPI/I2C TO UART 622-1002-ND - USB IN-CIRCUIT PROG LPC9XX 568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X 568-1758-ND - BOARD EVAL FOR LPC93X MCU FAMILY |
| 其它名称： | 568-1287-5 935274628129 P89LPC935FA-S |
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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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| P89LPC935FDH | 制造商:NXP Semiconductors 功能描述: |
| P89LPC935FDH,518 | 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 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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| P89LPC935FDH529 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 18MHZ TSSOP-28 |
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