读卡器ic,ma8121,完全替代m121芯片

      我司代理moai系列芯片,ma8121 sd卡读卡器内置ldo,兼容性好，读写速度快。mmc/sd card support   support
 support mmc 4.0/4.1/4.2 (4 bit & 8bit), rs-mmc, mmc-mobile 

support sd 1.1/2.0 sdhc, mimi sd, micro sd card 

support sd/mmc high speed mode  

work with the default driver from windows 2000/xp/me, mac9.2, mac os x, linux redhat, linux fedora 

integrated 5v to 3.3v/1.8v voltage regulator   
integrated pll with 12mhz crystal input   
support package with chip on board (cob)   
28 pin ssop package for 4 bit and 8 bit card  
28 pin ssop is backward compatible with m121  
24 pin qfn 4x4 package for 4 bit card