For various port size scenarios, Figure 17-12, Illustrates the basic w – Freescale Semiconductor MCF5480 User Manual
Page 434
MCF548x Reference Manual, Rev. 3
17-18
Freescale Semiconductor
Figure 17-12. Single Word Read Transfer with Muxed 32-A / 16-D
or Non-Muxed 16-A / 16-D
shows the similar configuration for a write transfer. The data is driven from the second clock
on AD[31:16].
Figure 17-13. Single Word Write Transfer with Muxed 32-A / 16-D
or Non-Muxed 16-A / 16-D
CLK
S0
S1
S2
S3
AD[31:24]
R/W
ALE
FBCSn, BE/BWEn
TA
OE
AD[15:8]
AD[7:0]
AD[23:16]
A[31:24]
D[15:8]
ADDR[15:8]
A[23:16]
D[7:0]
ADDR[7:0]
TSIZ[1:0]
10
CLK
S0
S1
S2
S3
AD[31:24]
R/W
ALE
TA
OE
FBCSn, BE/BWEn
A[31:24]
DATA[15:8]
AD[15:8]
AD[7:0]
AD[23:16]
A[23:16]
DATA[7:0]
ADDR[15:8]
ADDR[7:0]
TSIZ[1:0]
10