MCF5270 FREESCALE [Freescale Semiconductor, Inc], MCF5270 Datasheet - Page 38

• Manufacturer Part Number: MCF5270
• Description: 32-bit Embedded Controller Division
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Preliminary Electrical Characteristics
Timings listed in
8.6
Table 31
38
* The timings are also valid for inputs sampled on the negative clock edge.
B6a
B6b
B6c
B7
B7a
Name
CLKOUT
Inputs
lists processor bus output timings.
Processor Bus Output Timing Specifications
CLKOUT high to chip selects valid
CLKOUT high to byte enables (BS[3:0]) valid
CLKOUT high to output enable (OE) valid
CLKOUT high to control output (BS[3:0], OE) invalid
CLKOUT high to chip selects invalid
Table 30
Input Setup And Hold
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 1.2
CLKOUT(75MHz)
Input Rise Time
Input Fall Time
B4
are shown in
Table 31. External Bus Output Timing Specifications
Figure 6. General Input Timing Requirements
Characteristic
Figure 6
Invalid
1
Control Outputs
V
V
V
V
h
h
l
l
3
= V
= V
= V
= V
& Figure A-3.
2
IH
IH
IL
IL
T
1.5V Valid
SETUP
1.5V
T
HOLD
t
t
t
t
t
1.5V
Symbol
CHCV
CHBV
CHOV
CHCOI
CHCI
trise
tfall
B5
0.5t
0.5t
Invalid
CYC
CYC
Min
—
—
—
+1.5
+1.5
0.5t
0.5t
0.5t
Freescale Semiconductor
Max
CYC
CYC
CYC
—
—
+5
+5
+5
Unit
ns
ns
ns
ns
ns