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CH32V002_004_005_006_007 series chips include CH32V002, CH32V004, CH32V005, CH32V006, CH32V007, and CH32M007, which are industrial-grade general-purpose microcontrollers based on the Barley RISC-V2C core design, supporting 48MHz system main frequency, with wide voltage low power consumption, single and dual-wire debugging and other features. CH32V006, for example, it is built-in a 12-bit analog-to-digital ADC, sampling rate up to 3Msps; built-in OPA op-amps, support for high-speed mode to improve the pressure swing rate, and its P-support for 3-channel polling; provides a 7-channel DMA controller, 8-channel TouchKey, a number of groups of timers, 2 groups of USART serial port, I2C, SPI and other peripherals rich resources.
- Qingke V2C Core
- Support 2-level interrupt nesting
- Support system frequency 48MHz
- Maximum 8KB SRAM, maximum 62KB Flash
- 3328B system boot program storage area BootLoader
- Supply voltage: 2~5V
- Multiple low-power modes: sleep, standby
- Built-in 24MHz RC oscillator
- Built-in RC oscillator of about 128KHz
- Built-in system clock monitor (SCM) module
- Power on/off reset, programmable voltage monitor
- 1-group op-amp OPA/PGA/voltage comparator, multiple input channels with selectable multi-step gain; 2 output channels with selectable ADC pins; P-terminal support for 3-channel polling; support for high-speed modes to improve slew rate
- 7-channel general-purpose DMA controller, 7 channels support ring buffer management, support TIMx/ADC/USART/I2C/SPI
- 12-bit analog-to-digital ADC, analog input range: VSS ~ VDD, 8 external signals + 3 internal signal channels, support for 3M sampling rate
- 8-way TouchKey channel detection
- 1 16-bit advanced timer, provide deadband control and emergency brake, provide complementary PWM output for motor control
- 1 16-bit general-purpose timer providing input capture, output comparison, PWM, pulse counting and incremental encoder inputs
- 1 16-bit compact timer
- 2 Watchdog Timers: Standalone and Windowed
- System time base timer: 32-bit counter
- 2 USART serial ports: LIN support
- 1 I2C interface
- 1 SPI interface
- 4 groups of GPIO ports, 31 I/O ports, mapping 1 external interrupt
- Supports both single-wire (default) and dual-wire debugging modes
- Package: QFN, QSOP, TSSOP