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LC6904A规格书V1.0
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High performance 32-bit RISC CPU RISC 32bit CPU DC-160MHz operation Support DSP instructions 64Vectored interrupts 4 Levels interrupt priority Flexible I/O 15 GPIO pins All GPIO pins can be programmable as input or output individually All GPIO pins are internal pull-up/pull-down selectable individually CMOS/TTL level Schmitt triggered input External wake up/interrupt on all GPIOs Peripheral Feature One full speed USB 2.0 OTG controller Four multi-function 16-bit timers， support capture and PWM mode Four 16-bit PWM generator for motor driving One full-duplex basic UART Two full-duplex advanced UART Two SPI interface supports host and device mode Two SD Card Host controller One IIC interface supports host and device mode Watchdog 2 Crystal Oscillator Full speed USB 2.0 PHY 16-bit Stereo DAC， SNR 》 90dB 3 channels Stereo ADC， SNR 》 90Db 1 channel MIC amplifier Embedded headphone amplifier 2 channels Signal analog MUX 8 channels 10-bit ADC 1 channels 4 levels Low Voltage Detector Built in Cap Sense Key controller Power-on reset Embedded PMU
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