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51 MCU Minimum System TC89C52 AT89S52 Development Learning Board
51 SCM minimum system board £¬ support STC89C51£¬ STC89C52£¬ STC12C5A60S2£¬ AT89S51£¬ AT89S52 other commonly used 40-pin microcontroller 51 £¬ model number£¬ failed to list ! This price is the price of a finished board £¬ as shown in the following figure: With self- recovery fuse ( picture elements that green "5X5")£¬ to prevent accidental short circuit or pick the wrong line and burn microcontroller ! 1. The most classic 51 smallest single-chip system 2. The microcontroller 40 pins all leads and mark 3. onboard RC- reset circuit 4.The onboard crystal oscillator circuit£¬ crystal for 11.0592M ( other frequencies can be changed according to customer requirements oscillator is required with customer instructions and confirm in advance ! ) 5.P0 port with pull-up resistor 10K( 51 microcontroller port P0 pull-up resistor must be connected in order to work properly ! ) 6. With the power switch£¬ easy to experiment 7. External DC power socket (size 5.5 * 2.1mm) 8. With 1-channel power indicator 9. filtering circuit with capacitance 10. The external expansion leads 3-way power supply£¬ convenient external module to take power 11. The external power supply is DC 5V! 12 .With self- recovery fuse to prevent accidental short circuit or pick the wrong line and burn microcontroller ! 13. SMD design £¬ machining £¬ quality assurance ! 14.PCB Dimensions : 65mm ( length ) * 31mm ( width ) * 1.6mm ( thickness ) Download methods: STC89C52£¬ STC12C5A60S2 etc. STC Series MCU USB to TTL module with the download £¬ in addition to the development board £¬ but you also need to purchase STC microcontroller £¬ USB to TTL module £¬ DuPont line 4 Download : A macro- crystal technology £¬ such as microcontrollers STC89C52 STC12C5A60S2 download methods: