Figure 8: 16 Bit Bank External Memory Interfaces - Philips LPC2119 User Manual

Philips Semiconductors
ARM-based Microcontroller
CS
OE
BLS[1]
D[15:8]
A[a_b:1]
a) 16 bit wide memory bank interfaced
External Memory Controller (EMC)
CE
OE
WE BLS[0]
IO[7:0] D[7:0]
A[a_m:0]
to 8 bit memory chips

Figure 8: 16 Bit Bank External Memory Interfaces

A[a_b:0]
Figure 9: 8 Bit Bank External Memory Interface
CE
OE
WE
IO[7:0]
A[a_m:0]
A[a_b:1]
a) 16 bit wide memory bank interfaced
CS
OE
CE
OE
WE
BLS[0]
D[7:0] IO[7:0]
A[a_m:0]
44
Preliminary User Manual
LPC2119/2129/2292/2294
CS
OE
WE
CE
OE
WE
BLS[1] UB
BLS[0] LB
D[15:0]
IO[15:0]
A[a_m:0]
to 16 bit memory chips
January 08, 2004