MCF52274CLU120 Freescale Semiconductor, MCF52274CLU120 Datasheet - Page 28

• Manufacturer Part Number: MCF52274CLU120
• Description: MCU 32-BIT LCD TOUCH 176-LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF5227xr

Specifications of MCF52274CLU120

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 120MHz
• Connectivity: CAN, EBI/EMI, I²C, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, LCD, PWM, WDT
• Number Of I /o: 47
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-LQFP
• Family Name: MCF5227x
• Device Core: ColdFire
• Device Core Size: 16b
• Frequency (max): 120MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.5/1.8/2.5/3.3V
• Operating Supply Voltage (max): 1.6/3.6V
• Operating Supply Voltage (min): 1.4/1.7/3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 176
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Compliant

Electrical Characteristics
28
1
Symbol
The clock crossover voltage is only guaranteed when using the highest drive strength option for the SDCLK[1:0] and
SDCLK[1:0] signals.
V
V
V
V
OUT
MP
ID
IX
SD_DQS3/SD_DQS2
SD_DQS3/SD_DQS2
SD_RAS, SD_CAS
SD_CLK
SD_CLK
SD_CSn,SD_WE,
D[31:24]/D[23:16]
D[31:24]/D[23:16]
Clock output mid-point voltage
Clock output voltage level
Clock output differential voltage (peak to peak swing)
Clock crossing point voltage
SD_CLK
SD_CLK
A[13:0]
Figure 15. SD_CLK and SD_CLK Crossover Timing
MCF5227x ColdFire
Table 16. DDR Clock Crossover Specifications
DD4
Characteristic
1
ROW
CMD
Figure 14. DDR Read Timing
DD1
®
DD5
Microprocessor Data Sheet, Rev. 8
COL
CL=2
CL=2.5
DD2
DQS Read
DD10
Preamble
1.05
–0.3
1.05
DD3
Min
0.7
DQS Read
Preamble
WD1 WD2 WD3 WD4
SD_VDD + 0.3
SD_VDD + 0.6
WD1 WD2 WD3 WD4
DD9
Freescale Semiconductor
Max
1.45
1.45
V
V
V
IX
MP
IX
DQS Read
Postamble
V
ID
DQS Read
Postamble
Unit
V
V
V
V