Electrical Characteristics
3.13.4 External Bus Interface (EBI) Timing
Table 22. Bus Operation Timing1
40 MHz
# Characteristic/Description Symbol (ext. bus)2
56 MHz
(ext. bus)2
66 MHz
(ext. bus)2 Unit
Min Max Min Max Min Max
Notes
1 CLKOUT Period
TC 25.0 — 17.9 — 15.2 — ns Signals are
measured at 50%
VDDE.
2 CLKOUT duty cycle
tCDC
3 CLKOUT rise time
tCRT
4 CLKOUT fall time
tCFT
5 CLKOUT Positive Edge to
tCOH
Output Signal Invalid or High
Z (Hold Time)
ADDR[8:31]
BDIP
BG4
BR5
CS[0:3]
DATA[0:31]
OE
RD_WR
TA
TEA
TS
TSIZ[0:1]
WE[0:3]/BE[0:3]
45%
—
—
1.06/
1.5
55%
—3
—3
—
45%
—
—
1.06/
1.5
55%
—3
—3
—
45%
—
—
1.06/
1.5
55%
—3
—3
—
TC
ns
ns
ns Hold time
selectable via
SIU_ECCR[EBTS]
bit:
EBTS=0/EBTS=1
6 CLKOUT Posedge to Output tCOV
Signal Valid (Output Delay)
ADDR[8:31]
BDIP
BG4
BR5
CS[0:3]
DATA[0:31]
OE
RD_WR
TA
TEA
TS
TSIZ[0:1]
WE[0:3]/BE[0:3]
— 10.06/ — 7.56/ — 6.06/ ns Output valid time
11.0
8.5
7.0
selectable via
SIU_ECCR[EBTS]
bit:
EBTS=0/EBTS=1
MPC5567 Microcontroller Data Sheet, Rev. 0
32
Preliminary—Subject to Change Without Notice
Freescale Semiconductor