Bayani
NXP Semiconductors sun tsara LPC2468 microcontroller a kusa da 16-bit/32-bit ARM7TDMI-S CPU core tare da musaya na kuskuren lokaci na ainihi waɗanda suka haɗa da duka JTAG da alama.LPC2468 yana da 512 kB na ƙwaƙwalwar filasha mai sauri mai sauri akan guntu.Wannan ƙwaƙwalwar walƙiya ta haɗa da keɓantaccen ƙirar ƙwaƙwalwar ajiya mai faɗin 128-bit da ƙirar haɓakawa wanda ke ba CPU damar aiwatar da umarni na jeri daga ƙwaƙwalwar filasha a matsakaicin ƙimar agogon tsarin 72 MHz.Wannan fasalin yana samuwa ne kawai akan dangin samfuran microcontroller LPC2000 ARM.LPC2468 na iya aiwatar da duka 32-bit ARM da umarnin Thumb 16-bit.Taimakawa tsarin koyarwa guda biyu yana nufin injiniyoyi za su iya zaɓar inganta aikace-aikacen su don ko dai aiki ko girman lamba a matakin na yau da kullun.Lokacin da ainihin ke aiwatar da umarni a cikin jihar Thumb zai iya rage girman lambar da fiye da 30 % tare da ƙaramin asara a cikin aiki yayin aiwatar da umarni a cikin jihar ARM yana haɓaka babban aiki.LPC2468 microcontroller ya dace don aikace-aikacen sadarwa mai amfani da yawa.Ya haɗa da 10/100 Ethernet Media Access Controller (MAC), na'ura mai cikakken sauri na USB / Mai watsa shiri / OTG Mai sarrafawa tare da 4 kB na RAM na ƙarshe, UARTs hudu, tashoshi biyu na Cibiyar Gudanarwa (CAN), SPI dubawa, guda biyu Daidaitawa. Serial Ports (SSP), I2C musaya guda uku, da I2S dubawa.Tallafawa wannan tarin hanyoyin sadarwa na serial sadarwa sune abubuwan da ke gaba;wani on-chip 4 MHz daidaitaccen oscillator na ciki, 98 kB na jimlar RAM wanda ya ƙunshi 64 kB na SRAM na gida, 16 kB SRAM don Ethernet, 16 kB SRAM don babban manufa DMA, 2 kB na baturi mai ƙarfi SRAM, da Mai kula da ƙwaƙwalwar ajiya na waje ( EMC).Waɗannan fasalulluka sun sa wannan na'urar ta dace da ƙofofin sadarwa da masu musanya yarjejeniya.Haɓaka yawancin masu kula da sadarwa na serial, madaidaicin ikon agogo, da fasalulluka na ƙwaƙwalwar ajiya sune masu ƙidayar lokaci 32-bit iri-iri, ingantaccen ADC 10-bit, 10-bit DAC, raka'a PWM guda biyu, fil ɗin katsewa waje huɗu, kuma har zuwa 160 layin GPIO mai sauri.LPC2468 yana haɗa 64 na GPIO fil zuwa na tushen kayan aikin Vector Interrupt Controller (VIC) wanda ke nufin waɗannan abubuwan shigar da ke waje na iya haifar da katsewar baki.Duk waɗannan fasalulluka sun sa LPC2468 ya dace musamman don sarrafa masana'antu da tsarin likitanci.
Ƙayyadaddun bayanai: | |
Siffa | Daraja |
Kashi | Haɗin kai (ICs) |
Embedded - Microcontrollers | |
Mfr | NXP USA Inc. girma |
Jerin | Saukewa: LPC2400 |
Kunshin | Tire |
Matsayin Sashe | An Kashe a Digi-Key |
Core Processor | ARM7® |
Girman Core | 16/32-Bit |
Gudu | 72 MHz |
Haɗuwa | CANbus, EBI/EMI, Ethernet, I²C, Microwire, Memory Card, SPI, SSI, SSP, UART/USART, USB OTG |
Na'urorin haɗi | Gane/Sake saitin Brown-out, DMA, I²S, POR, PWM, WDT |
Adadin I/O | 160 |
Girman Ƙwaƙwalwar Shirin | 512KB (512K x 8) |
Nau'in Ƙwaƙwalwar Shirin | FLASH |
Girman EEPROM | - |
Girman RAM | 98x8 ku |
Ƙarfin wutar lantarki - Kayan aiki (Vcc/Vdd) | 3V ~ 3.6V |
Masu Canza bayanai | A/D 8x10b;D/A 1x10b |
Nau'in Oscillator | Na ciki |
Yanayin Aiki | -40°C ~ 85°C (TA) |
Nau'in hawa | Dutsen Surface |
Kunshin / Case | 208-LQFP |
Kunshin Na'urar Mai bayarwa | 208-LQFP (28x28) |
Lambar Samfurin Tushen | LPC24 |