MC9S12E256VFUE Freescale Semiconductor, MC9S12E256VFUE Datasheet - Page 113

• Manufacturer Part Number: MC9S12E256VFUE
• Description: IC MCU 256K FLASH 25MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12E256VFUE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 60
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 2.75 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 80-QFP
• Processor Series: S12E
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 60
• Number Of Timers: 12
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• On-chip Dac: 8 bit, 2 Channel
• Package: 80PQFP
• Family Name: HCS12
• Maximum Speed: 50 MHz
• For Use With: M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Freescale Semiconductor
Bit Polling for
Command
Completion Check
NOTE: command write sequence
aborted by writing 0x00 to
FSTAT register.
NOTE: command write sequence
aborted by writing 0x00 to
FSTAT register.
Execute Sector Erase Command Flow
Figure 2-28. Example Sector Erase Abort Command Flow
yes
EXIT
Bit Polling for
Completion Check
CCIF
Command
Set?
Bit
Access
Error Check
MC9S12E256 Data Sheet, Rev. 1.08
1.
2.
3.
no
Write: Dummy Flash Address
and Dummy Data
Write: Register FCMD
Sector Erase Abort Cmd 0x47
Write: Register FSTAT
Clear bit CBEIF 0x80
Read: Register FSTAT
Sector Erase
Completed
Needed?
yes
yes
no
ACCERR
Erase
Abort
CCIF
Set?
EXIT
Set?
Bit
Bit
yes
Chapter 2 256 Kbyte Flash Module (FTS256K2V1)
no
no
Clear bit ACCERR 0x10
Write: Register FSTAT
Read: Register FSTAT
Read: Register FSTAT
Sector Erase
Aborted
EXIT
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