SN8F5909 Datasheet | SONiX

SONi X Technology Co., Ltd. SN8F5900 Series Datasheet (Rev. 2.9) 8051-based Microcontroller SN8F5907 SN8F5908 SN8F5909 .sonix..tw 1 Device Overview 1.1 Features Enhanced 8051 microcontroller with reduced instruction cycle time (up to 12 times 80C51) - Up to 32 MHz flexible CPU frequency - Internal 32 MHz Clock Generator (IHRC) - Real-time clock with 32.768 k Hz crystal - Fcpu : 16MIPs ~ 0.25MIPs Memory: - 64 KB non-volatile flash memory (IROM) with in-system program support - 256 bytes internal RAM (IRAM) - 2 KB external RAM (XRAM) I/O Pin: 20-Pins pure I/O and 24-Pins I/O share with LCD function. Interrupt: 10 interrupt sources with priority levels control and unique interrupt vectors - 8 internal interrupts: T0, TC0, TC1, TC2, ADC, UART, I2C, SPI - 2 external interrupts: INT0, INT1 Hardware Multiplication/Division Unit and 2 set of DPTR Timer System : - 1 set 8-Bit base Timer for RTC.(T0) - 3 set 16-Bit Timer/Counter with Auto reload, PWM, Buzzer output.(TC0~TC2) - One Buzzer Pin (P15): 1KHz / 2KHz / 4KHz / 8KHz SPI, UART, I2C interface with SMBus Support One parator for Low Battery Detect 2.2V~3.6V (0.2V/step) SN8F5900...