MCF52259 FREESCALE [Freescale Semiconductor, Inc], MCF52259 Datasheet - Page 39
MCF52259
Manufacturer Part Number
MCF52259
Description
MCF52259 ColdFire Microcontroller
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MCF52259.pdf
(50 pages)
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2.10.4
2.11
GPIO can be configured for certain pins of the QSPI, DDR Control, timer, UART, Interrupt and USB interfaces. When in GPIO
mode, the timing specification for these pins is given in
The GPIO timing is met under the following load test conditions:
Freescale Semiconductor
NUM
G1
G2
G3
G4
•
•
50 pF / 50 Ω for high drive
25 pF / 25 Ω for low drive
Num
E10
E11
E12
E13
E14
E15
General Purpose I/O Timing
MII Serial Management Timing Specifications
MDC cycle time
MDC pulse width
MDC to MDIO output valid
MDC to MDIO output invalid
MDIO input to MDC setup
MDIO input to MDC hold
CLKOUT High to GPIO Output Invalid
CLKOUT High to GPIO Output Valid
CLKOUT High to GPIO Input Invalid
MDIO (Output)
GPIO Input Valid to CLKOUT High
MDC (Output)
MDIO (Input)
Figure 10. MII Serial Management Channel TIming Diagram
Table 21. MII Serial Management Channel Signal Timing
Characteristic
Characteristic
MCF52259 ColdFire Microcontroller, Rev. 0
Table 22. GPIO Timing
Table 22
E11
E12
E10
and
Figure
E11
E14
Valid Data
Valid Data
Symbol
t
MDC
Symbol
t
t
CHPOV
t
CHPOI
11.
t
PVCH
CHPI
E15
E13
Min
400
40
25
10
—
0
Min
1.5
1.5
—
9
Max
375
60
—
—
—
—
Electrical Characteristics
Max
% t
10
—
—
—
Unit
ns
ns
ns
ns
ns
MDC
Unit
ns
ns
ns
ns
39