Does Haier MCU have 8 pins?

Does Haier MCU have 8 pins?

The answer is no. According to data analysis, Haier MCU does not have 8 pins, which means that there are no 8 ports. Take the HR7P159 chip as an example: this chip does not have 8 ports, and only DIP14, SOP14, and SSOP10 are packaged. It is its simple appearance. Besides, its core is a high-performance Harvard RISC CPU core with 79 simplified instructions. The instruction cycle is two system clock cycles. The operating frequency of the system clock is up to 16MHz and supports interrupt processing ( 7 interrupt sources), while supporting the interrupt vector table, the reset vector is located at 000H, the interrupt vector is located at 008H; in terms of I/O ports, it supports up to 11 IO and 1 input, except for the PA port (PA0~PA3) and the PB port ( PB0~PB3), PB ports (PB4~PB7) are only supported by 14PIN, support 1 external port interrupt PINT (PINT0 is the input terminal), support 1 5-input external key interrupt KINT (KIN0~KIN4 is the input terminal), support independent The configurable internal weak pull-up input port supports independent configurable strong drive capability ports; in terms of storage resources, there are 128 Bytes SRAM data memory, 1008 Words OTP program memory, 8-level program stack, and its data memory supports direct addressing , GPR special addressing and indirect addressing, the program memory supports direct addressing, relative addressing and table look-up read operations; in terms of reset and clock, it is necessary to embed the power-on reset circuit POR and the embedded power-down reset circuit BOR. Embedded low voltage detection interrupt circuit; support independent hardware watchdog timer, support internal high frequency 16MHz RC oscillator clock source, can be divided, the lowest can be divided to 32KHz; the above is the description of the HR7P159 chip, in fact there are no 8 For feet, in future technologies, we will provide more complete Haier MCU program development, and promote better products in Shenzhen and other Guangdong regions.