Description
of external input pin T0/T1 in timer 0/1 counting mode
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Machine Translated by Google
XinYide Technology (Shenzhen) Co., Ltd.SOLIDIC
Datasheet
5209/5219/5220
1 Overview
1.1 Main
Features
- ÿ Core: Enhanced 80C51 (compatible with 8051 microcontroller) ÿ
Flash: more than 100,000 times of programming life, data can be saved for more than 100 years at room temperature. 30KB (SDI5209/SDI5219/SDI520) FLASH space; built-in ISP function
(SDA, SCL two-line burning)
ÿ RAM: 512Bytes
--- 256 Bytes internal RAM --- 256
Bytes embedded external addressable RAM (XDATA) ÿ Clock:
(main oscillator and watchdog can be configured to use external crystal oscillator)
9.83MHz internal RC oscilla.
SDI5219T Datasheet
