LG KE990 Service Manual - Page 71

3. TECHNICAL BRIEF ZR3453X has a dedicated port for multimedia cards. It can support SD (Secure Digital) cards and SecureMMC (standard multimedia cards with security functions). The same port can be used for HDD CE_ATA connection or SDIO to peripheral devices (e.g.; MDTV front-end). MMC • MMC v4 • Dual voltage (separate IO power domain, host GPIO control) • 1 or 4 bit cards • Multiple cards support (if dual-voltage or high-speed interface are not used) • Up to 43 MHz bit clock SD • 1 or 4 bit bus support • High-Speed SD, up to 43 MHz bit clock SDAT0 F1 SDAT1 F2 SDAT2 E5 SDAT3 SCMD F3 H2 SCLK G1 SWP G3 P12 VMCLK P10 VPCLK M12 VHREF K12 VVS R312 33 MMP_MICROSD_DATA[0] MMP_MICROSD_DATA[1] MMP_MICROSD_DATA[2] MMP_MICROSD_DATA[3] MMP_MICROSD_CMD MMP_MICROSD_CLK MMP_CAM_MCLK MMP_CAM_PCLK MMP_CAM_HSYNC MMP_CAM_VSYNC 3.11.9 Power Domain LGE Internal Use Only - 72 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes