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參數(shù)資料
| 型號： | LPC2917 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 32位微控制器 |
| 英文描述： | ARM9 microcontroller with CAN and LIN |
| 中文描述： | 具有CAN和LIN的ARM9微控制器 |
| 文件頁數(shù)： | 27/68頁 |
| 文件大小： | 384K |
| 代理商： | LPC2917 |
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LPC2917_19_1
NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 1.01 — 15 November 2007
27 of 68
NXP Semiconductors
LPC2917/19
ARM9 microcontroller with CAN and LIN
8.4.4.4
UART clock description
The UART modules are clocked by two different clocks; CLK_SYS_PESS and
CLK_UARTx (x = 0-1), see
Section 7.2.2
. Note that each UART has its own CLK_UARTx
branch clock for power management. The frequency of all CLK_UARTx clocks is identical
since they are derived from the same base clock BASE_CLK_UART. The register
interface towards the system bus is clocked by CLK_SYS_PESS. The baud generator is
clocked by the CLK_UARTx.
8.4.5
Serial peripheral interface
8.4.5.1
Overview
The LPC2917/19 contains three Serial Peripheral Interface modules (SPIs) to allow
synchronous serial communication with slave or master peripherals.
The key features are:
Master or slave operation
Supports up to four slaves in sequential multi-slave operation
Supports timer-triggered operation
Programmable clock bit rate and prescale based on SPI source clock
(BASE_SPI_CLK), independent of system clock
Separate transmit and receive FIFO memory buffers; 16 bits wide, 32 locations deep
Programmable choice of interface operation: Motorola SPI or Texas Instruments
Synchronous Serial Interfaces
Programmable data-frame size from 4 to 16 bits
Independent masking of transmit FIFO, receive FIFO and receive overrun interrupts
Serial clock-rate master mode: fserial_clk
≤
f
CLK(SPI)*
/2
Serial clock-rate slave mode: fserial_clk = f
CLK(SPI)*
/4
Internal loopback test mode
8.4.5.2
Functional description
The SPI module is a master or slave interface for synchronous serial communication with
peripheral devices that have either Motorola SPI or Texas Instruments Synchronous
Serial Interfaces.
The SPI module performs serial-to-parallel conversion on data received from a peripheral
device. The transmit and receive paths are buffered with FIFO memories (16 bits wide x
32 words deep). Serial data is transmitted on SPI_TxD and received on SPI_RxD.
The SPI module includes a programmable bit-rate clock divider and prescaler to generate
the SPI serial clock from the input clock CLK_SPIx.
The SPI module’s operating mode, frame format, and word size are programmed through
the SLVn_SETTINGS registers.
A single combined interrupt request SPI_INTREQ output is asserted if any of the
interrupts are asserted and unmasked.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LPC2917/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN and LIN |
| LPC2917FBD144 | 制造商:NXP Semiconductors 功能描述:IC MCU 32BIT ARM968 SMD LQFP144 |
| LPC2917FBD144,551 | 功能描述:ARM微控制器 - MCU ARM968 512K FL/48K RAM LIN 2.0 RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| LPC2917FBD144/01 | 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM968E-S, 125MHZ, LQFP-144 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM968E-S, 125MHZ, LQFP-144, Controller Family/Series:LPC2900, Core Size:32bit, No. of I/O's:108, Supply Voltage Min:1.71V, Supply Voltage Max:1.89V, Digital IC Case Style:LQFP, No. of Pins:144, Program Memory Size:512KB, |
| LPC2917FBD144/01/, | 功能描述:ARM微控制器 - MCU ARM968 512K FL/48K RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
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