Chapter 3: The Ch32V003 Microcontroller; Introduction To The Chapter; The Ch32V003F4P6 Features - OLIMEX MOD-IO2 User Manual

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CHAPTER 3: THE CH32V003 MICROCONTROLLER

3. Introduction to the chapter

In this chapter is located the information about the heart of MOD-IO2 – its CH32V003F4P6
microcontroller.

3.1 The CH32V003F4P6 features

 QingKe 32-bit RISC-V2A processor, supporting 2 levels of interrupt nesting
 Maximum 48MHz system main frequency
 2KB SRAM, 16KB Flash
 Power supply voltage: 3.3/5V
 Multiple low-power modes: Sleep, Standby
 Power on/off reset, programmable voltage detector
 1 group of 1-channel general-purpose DMA controller
 1 group of op-amp comparator
 1 group of 10-bit ADC
 1×16-bit advanced-control timer, 1×16-bit general-purpose timer
 2 WDOG, 1×32-bit SysTick
 1 USART interface, 1 group of I2C interface, 1 group of SPI interface
 18 I/O ports, mapping an external interrupt
 64-bit chip unique ID
 1-wire serial debug interface (SDI)
 Package: TSSOP20
For comprehensive information on the microcontroller visit the WCH's web page for a datasheet. At the
moment of writing the documentation for the chip can be found at the following link:
https://www.wch-ic.com/downloads/CH32V003DS0_PDF.html
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MOD-IO2 user's manual