MCF5272VF66 Freescale Semiconductor, MCF5272VF66 Datasheet - Page 502
![IC MPU 32BIT 66MHZ 196-MAPBGA](/photos/13/94/139412/mcf5272vf66_sml.jpg)
MCF5272VF66
Manufacturer Part Number
MCF5272VF66
Description
IC MPU 32BIT 66MHZ 196-MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272VF66
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART, USB
Peripherals
DMA, WDT
Number Of I /o
32
Program Memory Size
16KB (4K x 32)
Program Memory Type
ROM
Ram Size
1K x 32
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
196-MAPBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
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Electrical Characteristics
23.6.2
Table 23-12
The transmitter functions correctly up to a E_TxCLK maximum frequency of 25 MHz +1%. There is no
minimum frequency requirement. In addition, the processor clock frequency must exceed twice the
E_TxCLK frequency.
The transmit outputs (E_TxD[3:0], E_TxEN, E_TxER) can be programmed to transition from either the
rising or falling edge of E_TxCLK, and the timing is the same in either case. This options allows the use
of non-compliant MII PHYs.
Refer to the Ethernet chapter for details of this option and how to enable it.
1
Figure 23-12
23-18
E_TxCLK, ETxD0, and E_TxEN have the same timing in 10 Mbit 7-wire interface mode.
Num
M5
M6
M7
M8
E_TxCLK to E_TxD[3:0], E_TxEN, E_TxER invalid
E_TxCLK to E_TxD[3:0], E_TxEN, E_TxER valid
E_TxCLK pulse-width high
E_TxCLK pulse-width low
E_TxD[3:0] (outputs)
MII Transmit Signal Timing (E_TxD[3:0], E_TxEN, E_TxER,
E_TxCLK)
lists MII transmit channel timings.
E_TxCLK (input)
shows MII transmit signal timings listed in
E_TxEN
E_TxER
MCF5272 ColdFire
Figure 23-12. MII Transmit Signal Timing Diagram
Characteristic
Table 23-12. MII Transmit Signal Timing
®
Integrated Microprocessor User’s Manual, Rev. 3
1
M5
M6
M7
Table
23-12.
M8
5
—
35%
35%
Min
—
25
65%
65%
Max
Freescale Semiconductor
nS
nS
E_TxCLK period
E_TxCLK period
Unit
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