Мікросхема CH32V003J4M6

Мікросхема CH32V003J4M6

Core
– QingKe 32-bit RISC-V core, RV32EC instruction set
– Fast programmable interrupt controller + hardware interrupt stack
– Support 2-level interrupt nesting
– Support system main frequency 48MHz
Memory
– 2KB volatile data storage area SRAM
– 16KB program memory CodeFlash
– 1920B BootLoader
– 64B non-volatile system configuration memory
– 64B user-defined memory
Power management and low-power consumption
– System power supply VDD: 3.3V or 5V
– Low-power mode: Sleep, Standby
Clock & Reset
– Built-in factory-trimmed 24MHz RC oscillator
– Built-in 128KHz RC oscillator
– High-speed external 4~25MHz oscillator
– Power on/down reset, programmable voltage detector
1 group of 1-channel general-purpose DMA controller
– 7 channels, support ring buffer
– Support TIMx/ADC /USART/I2C/SPI
1 group of OPA and comparator: connected with ADC and TIM2
1 group of 10-bit ADC
– Analog input range: 0~VDD
– 8 external signals + 2 internal signals
– Support external delayed triggering
Multiple timers
– 1 16-bit advanced-control timers, with dead zone control and emergency brake; can offer PWM complementary output for motor control
– 1 16-bit general-purpose timers, provide input capture/output comparison/PWM/pulse counting/incremental encoder input
– 2 watchdog timers (independent watchdog and window watchdog)
– SysTick: 32-bit counter
Communication interfaces
– 1 USART interfaces
– 1 I2C interfaces
– 1 SPI interfaces
GPIO port
– 3 groups of GPIO ports, 18 I/O ports
– Mapping 1 external interrupt
Security features: 64-bit unique ID
Debug mode: 1-wire serial debug interface (SDI)
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