CH32F203C8U6
32-bit Enhanced Low-power Cortex-M3 MCU-CH32F203
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SKU: KL-229-0004846
Category: Microcontroller Units (MCUs/MPUs/SOCs)
About this item
Attribute | Value |
---|---|
Manufacturer | WCH(Jiangsu Qin Heng) |
Package | QFN48X7 |
Frequency | 144MHz |
Flash | 64K |
SRAM | 20K |
GPIO | 37 |
Adv Timer | 1 |
WDOG | 2 |
RTC | 1 |
ADC Unit/CH | 2/10 |
Touchkey | 10 |
OPA | 2 |
SPI | 2 |
UART | 4 |
CAN | 1 |
USB2.0 FS | D+H/D |
VDD | 2.5V; 3.3V; |
GP Timer | 3 |
IIC | 2 |
Overview
CH32F203 series is an industrial-grade enhanced low-power general-purpose microcontroller designed based on 32-bit Cortex-M3 core, with high performance, supporting up to 144MHz system main frequency, low-power consumption, running at the highest system main frequency with power consumption as low as 69uA/MHz. CH32F203 integrates dual USB interfaces, supporting USB Host and USB Device functions, has 1 CAN interface (2.0B active), dual OPAs, 4 UARTs, dual I2C, 12-bit ADC, 10-channel Touchkey and other rich peripheral resources.
System Block Diagram
Features
- Cortex-M3 core, up to 144MHz system main frequency
- Single-cycle multiplication and hardware division support 20KB SRAM, 64KB Flash
- Power supply voltage: 2.5/3.3V, GPIO unit independent power supply
- Multiple low-power modes: Sleep, Stop, Standby
- Run mode as low as 69.3uA/MHz
- Sleep mode as low as 22.4uA/MHz
- Power on/off reset, programmable voltage detector
- 1 set of 8-channel general-purpose DMA controller
- 2 sets of op-amp comparators
- 10-channel 12-bit ADC conversion, 10-channel TouchKey
- 4 sets of timers
- 1 USB2.0 full-speed host/device interface
- 1 USB 2.0 full-speed device interface
- 3 USART interfaces
- 1 CAN interface (2.0B active)
- 2 sets of I2C interfaces, 2 sets of SPI interfaces
- 37 I/O ports, can be mapped to 16 external interrupts
- CRC calculation unit, 96-bit chip unique ID
- 2-wire serial debug interface (SDW)
- Package: LQFP48, LQFP32
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Unit Price$2.2773
12465 in stock
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