M52259EVB Freescale Semiconductor, M52259EVB Datasheet - Page 34
M52259EVB
Manufacturer Part Number
M52259EVB
Description
BOARD EVAL FOR 52259 COLDFIRE V2
Manufacturer
Freescale Semiconductor
Series
ColdFire®r
Type
MCUr
Datasheet
1.M52259EVB.pdf
(46 pages)
Specifications of M52259EVB
Contents
Board, Cables, Documentation, DVD, Flash Drive and Power Supply
Processor To Be Evaluated
MCF52259
Data Bus Width
32 bit
Interface Type
RS-232, Ethernet, USB
Silicon Manufacturer
Freescale
Core Architecture
Coldfire
Core Sub-architecture
Coldfire V2
Silicon Core Number
MCF52
Silicon Family Name
MCF5225x
Peak Reflow Compatible (260 C)
Yes
Rohs Compliant
Yes
For Use With/related Products
MCF52259
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2.11.1
The following timing specs meet the requirements for MII and 7-Wire style interfaces for a range of transceiver devices.
2.11.2
Freescale Semiconductor
1
In MII mode, n = 3
Num
1
E1
E2
E3
E4
—
In MII mode, n = 3
Num
E6
E5
E7
E8
—
Receive Signal Timing Specifications
Transmit Signal Timing Specifications
RXCLK frequency
RXD[n:0], RXDV, RXER to RXCLK setup
RXCLK to RXD[n:0], RXDV, RXER hold
RXCLK pulse width high
RXCLK pulse width low
TXCLK frequency
TXCLK to TXD[n:0], TXEN, TXER invalid
TXCLK to TXD[n:0], TXEN, TXER valid
TXCLK pulse width high
TXCLK pulse width low
TXCLK (Input)
RXCLK (Input)
TXD[n:0]
RXD[n:0]
TXEN,
TXER
Figure 8. MII Transmit Signal Timing Diagram
Figure 7. MII Receive Signal Timing Diagram
RXDV,
RXER
Characteristic
Characteristic
MCF52259 ColdFire Microcontroller, Rev. 4
Table 18. Transmit Signal Timing
Table 17. Receive Signal Timing
1
E6
1
1
1
E1
E4
E8
Valid Data
Valid Data
E3
E2
35%
35%
Min
E7
—
—
E5
5
MII Mode
35%
35%
Min
—
5
5
MII Mode
65%
65%
Max
25
25
—
65%
65%
Max
25
—
—
Electrical Characteristics
RXCLK period
RXCLK period
t
t
TXCLK
TXCLK
MHz
Unit
ns
ns
MHz
Unit
ns
ns
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