MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 552

• 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

LCD Driver Module
You must write to all LCDPEN, LCDBPEN, and LCDWF registers to initialize their values after a reset.
24-36
1. LCDC0 register
2. LCDRVC register (If the application uses the internally regulated voltage)
3. LCDSUPPLY register
4. LCDC1 register
5. LCDC0 register
6. LCDBCTL register
7. LCDPEN[7:0] register
8. LCDBPEN[7:0]
9. LCDC0 register
a) Configure LCD clock source (SOURCE bit).
a) Select 1.0 V or 1.67 V for 3 or 5 V glass (HREFSEL).
b) Enable regulated voltage (RVEN).
c) Trim the regulated voltage (RVTRIM).
a) Enable charge pump (CPSEL bit).
b) Configure LCD module for doubler or tripler mode (HREFSEL bit).
c) Configure charge pump clock (LADJ[1:0]).
d) Configure op amp switch (BBYPASS bit).
e) Configure LCD power supply (VSUPPLY[1:0]).
a) Configure LCD frame frequency interrupt (LCDIEN bit).
b) Configure LCD behavior in low power mode (LCDWAI and LCDSTP bits).
a) Configure LCD duty cycle (DUTY[2:0]).
b) Select and configure LCD frame frequency (LCLK[2:0]).
a) Configure display mode (ALT and BLANK bits).
b) Configure blink mode (BMODE).
c) Configure blink frequency (BRATE[2:0]).
a) Enable LCD module pins (PEN[43:0] bits).
a) Enable LCD pins to operate as an LCD backplane (BPEN[43:0]).
a) Enable LCD module (LCDEN bit).
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
Freescale Semiconductor