优势原装ic h244qp-f44录音ic

features
„ 8 bit enhanced dsp core (jupiter-b instruction set)
„internal access clock runs up to 40mhz.
„built-in 256kb (32k bytes) one time programmable

rom (otp).
„built-in 160kb (20k bytes) sram.
„built-in r/c oscillator circuit and dpll circuit.
„built-in 16 analog channels that support analog-to-
digital conversion with inputs of alternative reference
voltage.
„built-in 2 sets of 8 bits timer.
„16 gpios (port0 and port1) , and 8 of them (port-0)
support external interrupts for triggering wake-up.
„built-in low voltage reset (lvr) protection circuit.
„built-in watch-dog timer.

 „support simultaneous 3 bits ad conversion (each

with16 bit resolution) or 4 bits adc (8 bit resolution)
plus 1 bit adc(16 bit resolution)
„embedded operational amplifier (op amp) for

mixing/filtering/amplification of audio.
„embedded driving circuit for 8?/0.5w speaker or

buzzer.
„support 2-wired serial bus interface (master/slave

mode).
„support spi interface (master/slave mode)’
„embedded two 16 bit stereo digital-analog converter

(dac)
„supply digital voltage vcc = vdd = 2.4v to 3.4v.
„standby current 2 ua.
„temperature range : -40°c ~ 70°c.

可外挂 flash 或sd卡等,适用于录音蓝牙,电话机等

本公司产品绿色环保原装正品一手货源，现货库存