M5271EVB Freescale Semiconductor, M5271EVB Datasheet - Page 23

• Manufacturer Part Number: M5271EVB
• Description: BOARD EVAL FOR MCF5270/71
• Manufacturer: Freescale Semiconductor

Specifications of M5271EVB

• Processor To Be Evaluated: MCF5271
• Interface Type: RS-232, Ethernet
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Timings listed in
7.6
Table 12
Freescale Semiconductor
Name
B6a
B6b
B6c
B7a
B7
lists processor bus output timings.
Processor Bus Output Timing Specifications
* The timings are also valid for inputs sampled on the negative clock edge.
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 11
CLKOUT
Inputs
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 4
are shown in
Table 12. External Bus Output Timing Specifications
Input Setup And Hold
Figure 7. General Input Timing Requirements
Characteristic
CLKOUT(75MHz)
Input Rise Time
Input Fall Time
B4
Figure
1
Control Outputs
7.
3
2
Invalid
V
V
V
V
h
h
l
l
= V
= V
= V
= V
Symbol
IH
IH
IL
IL
t
T
1.5V Valid
t
t
t
CHCOI
t
CHCV
CHBV
CHOV
CHCI
SETUP
1.5V
T
0.5t
0.5t
HOLD
1.5V
CYC
CYC
Min
—
—
—
trise
tfall
+1.5
+1.5
B5
Invalid
Electrical Characteristics
0.5t
0.5t
0.5t
Max
CYC
CYC
CYC
—
—
+5
+5
+5
Unit
ns
ns
ns
ns
ns
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