MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 519

• 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

24.1.3
The LCD module driver features include:
24.1.4
The LCD module supports the following operation modes:
Freescale Semiconductor
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LCD waveforms functional in LP
— Generate up to 43 frontplane signals
— Generate up to 8 backplanes signals
Programmable LCD frame frequency
Programmable blink modes and frequency
— All segments blank during blink period
— Alternate display for each LCD segment in x4 or less mode
— Blink operation in low-power modes
Programmable LCD power supply switch, making it an ideal solution for battery-powered and
board-level applications
— Charge pump requires only four external capacitors
— Internal LCD power using V
— Internal V
Internal regulated voltage source with a 4-bit trim register to apply contrast control
Integrated charge pump for generating LCD bias voltages
— Hardware configurable to drive 3-V or 5-V LCD panels
— On-chip generation of bias voltages
Waveform storage registers LCDWF
Backplane reassignment to assist in vertical scrolling on dot-matrix displays
Software configurable LCD frame frequency interrupt
Internal ADC channel is connected to V
to adjust the contrast.
44 LCD (LCD[43:0])pins with selectable frontplane/backplane configuration
supply option (3V)
Features
Modes of Operation
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
IREG
regulated power supply option for 3 or 5V LCD glassExternal V
DD
Run
(1.8to 3.6 V)
, LP
LL1
Wait
to monitor its magnitudes. This feature allows software
, wait, stop2 and stop3 low-power modes
LCD Driver Module
LL3
power
24-3