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SONiX Technology Co., Ltd.
SN8F5840 Series Datasheet
(Rev. 1.9)
8051-based Microcontroller
SN8F5849 SN8F5848 SN8F5847 SN8F5844
www.sonix.com.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 kHz crystal - Fcpu : 16MIPs ~ 0.25MIPs
Memory: - 32 KB non-volatile flash memory (IROM) with
in-system program support - 256 bytes internal RAM (IRAM) - 3 KB external RAM (XRAM) - 1.5KB ISP Data Flash Memory (ISP DATA ROM)
I/O Pin: 10-Pins pure I/O and 38-Pins I/O share with LCD function.