{"product_id":"51-mcu-minimum-system-board-stc12c5a60s2-stc89c52-learning-development-board-mcu-scm-uart-with-2-serial-port","title":"51 MCU Minimum System Board STC12C5A60S2 STC89C52 Learning Development  Board MCU SCM UART with 2 Serial Port","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1. Enhancement type 8051 CPU,1T,single clock\/machine cycle;instruction code is completely compatible with traditional 8051 \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2. On-chip integrates 1280 bytes RAM \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3. Common I\/0 ports,after reset:quasi two-way ports\/weak pull-up (common 8051 traditional I\/O port);can be set four modes as:quasi two-way port\/weak pull-up;strong push-pull\/strong pull-up;only input\/high resistance;open-drain.Every I\/O ports driving capacity can be up to 20mA,but the whole chip should be no more than 120mA \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4. ISP (programmable in system)\/IAP (programmable in appplication),does not need special emulator;and it can download user applications directly by serial port (P3.0\/P3.1) after a few seconds \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5. EEPROM function and Watch dog \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e6. Internal integrates MAX810 special reset circuit (when external crystal is less than 12M,reset pin can directly connect with 1K resistor to ground)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e7. A\/D switch,10-bit precise ADC,totally 8-channel;switch speed can be up to 250K\/s\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Operating Voltage: 3.5-5.5V \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Operating Frequency: 0-35MHz,equals to common 8051 0-420M\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eHz\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- External power failure detection circuit:there is a low voltage threshold comparator in P4.6 port.5V MCU is 3.3V,and the tolerance is +\/-5%\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Clock source: external high precision crystal\/clock,internal R\/C oscillator (temperature drift is +\/-5%~+\/-10%).When users download applications,they can choose whether to use internal R\/C oscillator or external crystal\/clock.At normal temperature,internal R\/C oscillator frequency is 11MHz-17MHz \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- 16-bit timer for 4pcs:two timers\/counters compatible with traditional 8051,16-bit timer T0 and T1,no timer 2;but has independent baud rate generator for serial port communication;then adds a 2-channel PCA module can achieve two 16-bit timers \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Three clock output ports:can overflow by T0 and output clock in P3.4\/T0;or overflow by T1 and output clock in P3.5\/T1.Independent baud rate generator can output clock in P1.0 port \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- External interrupt I\/O port 7-channel,traditional falling edge interrupt or low level trigger interrupt;and support rising edge interrupt PCA module,Power Down mode can be awakened by external interrupt;INT0\/P3.2,INT1\/P3.3,T0\/P3.4,T1\/P3.5,RxD\/P3.0,CCP0\/P1.3,CCP1\/P1.4 \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- PWN (2-channel)\/PCA (programmable counter array,2-channel):can be used as 2-channel D\/A;or to achieve another two timers;or to achieve another two external interrupt (rising edge interrupt\/falling edge interrupt can be respectively or simultaneously supported)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Common duplex asynchronous serial port (UART);since STC12 series is high-speed 8051,it can achieve several serial ports by the timer or PCA software \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Double serial port:RxD2\/P1.2 (can be set to P4.2 by register);TxD2\/P1.3 (can be set to P4.3 by register)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e20.Operating Temperature Range:-40~85 celsius (industrial level)\/0~75 celsius (business level)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size:16px;\"\u003ePackage Included:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1 x 51 MCU Minimum System Board STC12C5A60S2 STC89C52\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cbr\u003e\u003cimg alt=\"\" class=\"51 MCU Minimum System Board \" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/0A\/C0\/fc1c5ffd-0bac-483b-9811-844eca24fbec.JPG\" title=\" 51 MCU Minimum System Board \"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/29\/38\/99d907e8-4664-4e21-9dcc-57185820fcdf.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/D0\/C2\/7910e5a4-432e-41f4-9a2a-35e9579abc20.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/4C\/F7\/606a9930-0ba1-42ca-8aaf-335bc7394ee0.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/A4\/44\/83ccf39f-6eb9-4a28-99c0-6d9c9160be07.JPG\"\u003e","brand":"Shopify","offers":[{"title":"Default Title","offer_id":14578816581676,"sku":"1441629","price":277.8,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/c0dd65d3-2762-40ab-b2b6-fcea4cbf4e47_dbe52cf9-ed38-4981-aabb-6309808502f7.jpg?v=1582021139","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/51-mcu-minimum-system-board-stc12c5a60s2-stc89c52-learning-development-board-mcu-scm-uart-with-2-serial-port","provider":"Electronic Pro ","version":"1.0","type":"link"}