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| 型號(hào)： | 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(yè)數(shù)： | 28/68頁(yè) |
| 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
28 of 68
NXP Semiconductors
LPC2917/19
ARM9 microcontroller with CAN and LIN
Depending on the operating mode selected, the SPI_CS_OUT outputs operate as an
active-HIGH frame synchronization output for Texas Instruments synchronous serial
frame format or an active-LOW chip select for SPI.
Each data frame is between four and 16 bits long, depending on the size of words
programmed, and is transmitted starting with the MSB.
There are two basic frame types that can be selected:
Texas Instruments synchronous serial
Motorola Serial Peripheral Interface
8.4.5.3
Modes of operation
The SPI module can operate in:
Master mode:
–
Normal transmission mode
–
Sequential slave mode
Slave mode
8.4.5.4
SPI pin description
The three SPI modules in the LPC2917/19 have the pins listed below. The pins are
combined with other functions on the port pins of the LPC2917/19, see
Section 8.3.3
.
Table 16
shows the SPI pins (x runs from 0 to 2; y runs from 0 to 3).
Table 16.
Symbol
SPIx SCSy
SPIx SCK
SPIx SDI
SPIx SDO
[1]
Direction of SPIx SCS and SPIx SCK pins depends on master or slave mode. These pins are output in
master mode, input in slave mode.
[2]
In slave mode there is only one chip-select input pin, SPIx SCS0. The other chip selects have no function in
slave mode.
8.4.5.5
SPI clock description
The SPI modules are clocked by two different clocks; CLK_SYS_PESS and CLK_SPIx (x
= 0-2), see
Section 7.2.2
. Note that each SPI has its own CLK_SPIx branch clock for
power management. The frequency of all clocks CLK_SPIx is identical as they are derived
from the same base clock BASE_CLK_SPI. The register interface towards the system bus
is clocked by CLK_SYS_PESS. The serial-clock rate divisor is clocked by CLK_SPIx.
The SPI clock frequency can be controlled by the CGU. In master mode the SPI clock
frequency (CLK_SPIx) must be set to at least twice the SPI serial clock rate on the
interface. In slave mode CLK_SPIx must be set to four times the SPI serial clock rate on
the interface.
SPI pins
Direction
in/out
in/out
in
out
Description
SPIx chip select
[1][2]
SPIx clock
[1]
SPIx data input
SPIx data output
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| 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(chǔ)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(chǔ)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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