MCIMX515DVK8C Freescale Semiconductor, MCIMX515DVK8C Datasheet - Page 77
MCIMX515DVK8C
Manufacturer Part Number
MCIMX515DVK8C
Description
IC MPU I.MX51 527MABGA
Manufacturer
Freescale Semiconductor
Series
i.MX51r
Datasheets
1.MCIMX512DJM8C.pdf
(200 pages)
2.MCIMX515DJM8C.pdf
(2 pages)
3.MCIMX515DVK8C.pdf
(156 pages)
Specifications of MCIMX515DVK8C
Core Processor
ARM Cortex-A8
Core Size
32-Bit
Speed
800MHz
Connectivity
1-Wire, EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSI, UART/USART, USB OTG
Peripherals
DMA, I²S, LCD, POR, PWM, WDT
Number Of I /o
128
Program Memory Type
ROMless
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
0.8 V ~ 1.15 V
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
257-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Size
-
Eeprom Size
-
Data Converters
-
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4.7.4.2
The MII transmit signal timing affects the FEC_TXD[3:0], FEC_TX_EN, FEC_TX_ER, and
FEC_TX_CLK signals. The transmitter functions correctly up to a FEC_TX_CLK maximum frequency
of 25 MHz + 1%. There is no minimum frequency requirement. In addition, the processor clock frequency
must exceed twice the FEC_TX_CLK frequency.
and
Freescale Semiconductor
1
.
FEC_TX_EN, FEC_TX_CLK, and FEC_TXD0 have the same timing in 10 Mbps 7-wire interface mode.
Num
M5
M6
M7
M8
Figure 43
FEC_TXD[3:0] (outputs)
FEC_RXD[3:0] (inputs)
FEC_RX_CLK (input)
FEC_TX_CLK (input)
FEC_TX_CLK to FEC_TXD[3:0], FEC_TX_EN, FEC_TX_ER invalid
FEC_TX_CLK to FEC_TXD[3:0], FEC_TX_EN, FEC_TX_ER valid
FEC_TX_CLK pulse width high
FEC_TX_CLK pulse width low
MII Transmit Signal Timing
shows MII transmit signal timing diagram for the values listed in
FEC_RX_ER
FEC_RX_DV
FEC_TX_EN
FEC_TX_ER
i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 4
Figure 43. MII Transmit Signal Timing Diagram
Figure 42. MII Receive Signal Timing Diagram
Characteristic
Table 71. MII Transmit Signal Timing
M1
1
M5
M2
Table 71
M6
M3
M7
lists MII transmit channel timing parameters
35%
35%
Min
—
M4
5
M8
Max
65%
65%
Table
20
—
Electrical Characteristics
71.
FEC_TX_CLK period
FEC_TX_CLK period
Unit
ns
ns
77
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