MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 496

• 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

Analog-to-Digital Converter (S08ADC16)
ADCCVH/L = 0xxx
APCTL1=0x02
APCTL2=0x00
21.7
This section contains information for using the ADC module in applications. The ADC has been designed
to be integrated into a microcontroller for use in embedded control applications requiring an A/D
converter.
21.7.1
The following sections discuss the external pins associated with the ADC module and how they should be
used for best results.
21-40
Holds compare value when compare function enabled.
AD1 pin I/O control disabled. All other AD pins remain general purpose I/O pins.
All other AD pins remain general purpose I/O pins.
Application Information
External Pins and Routing
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
Figure 21-41. Initialization Flowchart for Example
ADCSC1n = 0x41
Then ADCRLn To
Clear COCOn Bit
ADCCFG = 0x98
ADCSC2 = 0x00
Read ADCRHn
Initialize ADC
COCOn=1?
Continue
Check
Reset
Yes
No
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