Data Sheet

Table Of Contents
EMC3380 Series Wireless Module Data Manual
Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
11
Support DMA for data transmission and reception
Support bus arbitration mechanism to realize the communication capability of multi-master equipment
Wake up from device address matching to achieve low power consumption
Software configurable parameters: SDA hold time, slave device address, etc.
Programmable digital filters for SDA and SCL signals for filtering noise on signal lines
Can use the USI interface to build another I2C interface, supporting 400Kbps high-speed mode
Timer
Basic timers (HS_TIM0 ~ HS_TIM3, LP_TIM0 ~ LP_TIM3)
Clock source: 32KHz, precision: 32 bits, counting mode: up counting
Support interrupt trigger, wake up in sleep mode
PWM timer (HS_TIM5, LP_TIM5)
Channel: HS_TIM5 x 11 and LP_TIM5 x 6
Clock source: XTAL, precision: 16 bits, counting mode: up counting, frequency division: 8 bits
2 x input capture pins
LP_TIM5 can work in low power mode
Pulse timer (HS_TIM4, LP_TIM4)
Channel: HS_TIM5 x 11 and LP_TIM5 x 6
Clock source: XTAL, precision: 16 bits, counting mode: up counting, frequency division: 8 bits
Single pulse mode, selectable polarity in PWM mode
2 x input capture pins, which can generate interrupts
Real-time clock RTC
Independent BCD counter
Day / hour / minute / second, 12/24 hour clock
Software programmable clock compensation
An alarm that can be triggered by any combination of time domains and generates interrupts
Digital calibration circuit
Register write protection
Human-Computer Interface
Matrix keyboard
10 IO ports, support up to 7 x 3, 5 x 5 matrix keyboard scanning
Number of configurable keyboard rows and columns
Configurable scan clock, scan interval and release time
Support interrupt trigger
Provide 12-bit and 16-depth FIFO to save the key press and release events
Supports low power loss, the key time can wake the CPU from low power mode