mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 571

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

In addition to address setup, a programmable address hold option for each chip select
exists. Address and attributes can be held one to four clocks after chip-select, byte-
selects, and output-enable negate. The following figures show read and write bus cycles
with two clocks of address hold respectively.
Freescale Semiconductor, Inc.
Figure 24-27. Write-Bus Cycle with Two Clock Address Setup (No Wait States)
FB_CLK
FB_A[Y]
FB_D[X]
FB_RW
FB_TS
FB_ALE
FB_CSn
FB_OEn
FB_BE/BWEn
FB_TA
FB_TSIZ[1:0]
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Address
Address
Preliminary
TSIZ
AA=0
AA=1
Data
Chapter 24 External Bus Interface (Mini-FlexBus)
AA=1
AA=0
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