DAT0_m~DAT7_m = Data Input / Output
CLK_m = Clock
RCLK_m = Data Strobe
CMD_m = Command
RST_m = Reset
VCC_m = Power Supply for Flash
VCCQ_m = Power Supply for Controller
VDDl_m= External Capacitance for Internal power stability
VSS_m = Ground for Controller/Flash
VSSQ_m = I/O Ground
DNU = Do Not Use
VSF = Vendor Specific Function
hope that helps.