Meco 51 Minimum System Development Board Stc89c52 Stc51 Stc89 Microcontroller Core

Description: This is 51 SCM Minimum System Development Board, with STC89C52 STC51 STC89 Core and USB Interface. it have difference with STC89C52 Core. On the P0 port pull-up resistor problem: If you are using the STC89C52 version, if you use P0 port as external output drive, need to add external pull-up resistor, if it is the general LCD bus such as LCD1602, LCD12864 bus, can be used directly, no need external pull-up resistor. If using STC12C5A60S2 version can use the registers P0M1 and P0M0 to set the IO drive mode. No external pull-up resistors required Package included: 1 x 51 Minimum System Development Board