MCIMX515CJM6CR2 Freescale Semiconductor, MCIMX515CJM6CR2 Datasheet - Page 77
MCIMX515CJM6CR2
Manufacturer Part Number
MCIMX515CJM6CR2
Description
IC MPU I.MX51 529MABGA
Manufacturer
Freescale Semiconductor
Series
i.MX51r
Specifications of MCIMX515CJM6CR2
Core Processor
ARM Cortex-A8
Core Size
32-Bit
Speed
600MHz
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
529-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Quantity
Price
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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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