MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 99

• 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

Freescale Semiconductor
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
Clock Register
Written
Check
Bit Polling for
Command Buffer Empty
Check
Sequential
Programming
Decision
Bit Polling for
Command Completion
Check
Command
Buffer Empty Check
Access Error and
Protection Violation
Check
Figure 3-12. Example Burst Program Command Flow
Read: FxCDIV register
2.
3.
1.
yes
FDIVLD
Write: FxCMD register
Burst Program Command 0x25
Write: FxSTAT register
Clear FCBEF 0x80
Write: Flash Array Address
and Program Data
START
Set?
Read: FxSTAT register
Read: FxSTAT register
Read: FxSTAT register
FACCERR/FPVIOL
Address?
yes
yes
FCBEF
FCBEF
no
yes
no
FCCF
Next
Set?
Set?
EXIT
Write: FxCDIV register
Set?
Set?
no
no
yes
no
yes
no
Write: FxSTAT register
Clear FACCERR/FPVIOL 0x30
Note: FxCDIV needs to
be set after each reset
Memory
3-43