MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 361

• Manufacturer Part Number: MCF51EM256CLL
• Description: IC MCU 32BIT 256KB FLASH 100LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51EMr

Specifications of MCF51EM256CLL

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LCD, LVD, PWM, WDT
• Number Of I /o: 63
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Processor Series: MCF51EM
• Core: ColdFire V1
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: RS-232, LIN
• Maximum Clock Frequency: 50 MHz
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: DEMOEM
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Inter-Integrated Circuit (IIC)
15.6.5
Programmable input glitch filter
An IIC glitch filter has been added outside the IIC legacy modules, but within the IIC package. This filter
can absorb glitches on the IIC clock and data lines for I2C module. The width of the glitch to absorb can
be specified in terms of number of half bus clock cycles. A single glitch filter control register is provided
as IICFLT. Effectively, any down-up-down or up-down-up transition on the data line that occurs within the
number of clock cycles programmed here is ignored by the IIC.the programmer only needs to specify the
size of glitch (in terms of bus clock cycles) for the filter to absorb and not pass.
15.7
Initialization/Application Information
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
Freescale Semiconductor
15-23