MCF52256AG80 Freescale Semiconductor, MCF52256AG80 Datasheet - Page 34
![MCU 32BIT COLDFIRE V2 144LQFP](/photos/12/36/123628/mcf52256ag80_sml.jpg)
MCF52256AG80
Manufacturer Part Number
MCF52256AG80
Description
MCU 32BIT COLDFIRE V2 144LQFP
Manufacturer
Freescale Semiconductor
Series
MCF5225xr
Datasheet
1.MCF52256CAG66.pdf
(46 pages)
Specifications of MCF52256AG80
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, QSPI, UART/USART, USB OTG
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
144-LQFP
Processor Series
MCF522x
Core
ColdFire V2
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
I2C/QSPI/UART
Maximum Clock Frequency
80 MHz
Number Of Programmable I/os
96
Number Of Timers
10
Operating Supply Voltage
- 0.3 V to + 4 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
TWR-MCF5225X, TWR-SENSOR-PAK, TWR-SER, TWR-ELEV, TOWER, M52259EVB, M52259DEMOKIT
Minimum Operating Temperature
0 C
On-chip Adc
8-ch x 12-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCF52256AG80
Manufacturer:
FREESCALE
Quantity:
20 000
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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