33.3 I/O Lines Description

Table 33-1. I/O Line Description
NameDescriptionTypeActive Level
NCS[3:0]Static Memory Controller Chip Select LinesOutputLow
NRDRead SignalOutputLow
NWR0/NWEWrite 0/Write Enable SignalOutputLow
NWR1/NBS1Write 1/Byte 1 Select SignalOutputLow
A0/NBS0Address Bit 0/Byte 0 Select SignalOutputLow
A[23:1]Address BusOutput
D[15:0]Data BusI/O
NWAITExternal Wait SignalInputLow
NANDCSNAND Flash Chip Select LineOutputLow
NANDOENAND Flash Output EnableOutputLow
NANDWENAND Flash Write EnableOutputLow
NANDALENAND Flash Address Latch EnableOutput
NANDCLENAND Flash Command Latch EnableOutput