36.4 I/O Lines Description

Table 36-1. I/O Lines Description
NameDescriptionTypeActive Level
NCS[3:0]Static Memory Controller Chip Select LinesOutputLow
NRDRead SignalOutputLow
NWR0/NWEWrite 0/Write Enable SignalOutputLow
A0/NBS0Address Bit 0/Byte 0 Select SignalOutputLow
NWR1/NBS1Write 1/Byte 1 Select SignalOutputLow
A[25:1]Address BusOutput
D[15:0]Data BusI/O
NWAITExternal Wait SignalInputLow
NANDRDYNAND Flash Ready/BusyInput
NANDWENAND Flash Write EnableOutputLow
NANDOENAND Flash Output EnableOutputLow
NANDALENAND Flash Address Latch EnableOutput
NANDCLENAND Flash Command Latch EnableOutput