Datasheet

e.MMC Bus and Power Lines
Transcend’s e.MMC bus has the following communication and power lines:
• CMD: Command is a bidirectional signal. The host and Transcend’s e.MMC operate in two
modes, open drain and push-pull.
• DAT0-7: Data lines are bidirectional signals. Host and Transcend’s e.MMC operate in
push-pull mode.
• CLK: Clock input.
• RST_n: Hardware Reset Input
• VCCQ: VCCQ is the power supply line for host interface.
• VCC: VCC is the power supply line for internal flash memory.
• VDDi: VDDi is e.MMC’s internal power node, not the power supply. Connect 0.1µF
capacitor from VDDi to ground.
• VSS, VSSQ : Ground lines
(Bus Signal Level)