mcf52258 Freescale Semiconductor, Inc, mcf52258 Datasheet - Page 34

• Manufacturer Part Number: mcf52258
• Description: Mcf52259 Coldfire Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
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:
34
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 19. MII Serial Management Channel Signal Timing
Characteristic
Characteristic
MCF52259 ColdFire Microcontroller, Rev. 1
Table 20. GPIO Timing
Table 20
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
—
—
—
—
Freescale Semiconductor
Max
% t
10
—
—
—
Unit
ns
ns
ns
ns
ns
MDC
Unit
ns
ns
ns
ns