MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 1055

• Manufacturer Part Number: MC9S12XD256VAG
• Description: IC MCU 256K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XD256VAG

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 119
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 14K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Freescale Semiconductor
Clock Register
Written
Check
Erase Verify
Bit Polling for
Command Completion
Check
Status
Address, Data,
Access Error and
Protection Violation
Check
Command
Buffer Empty Check
Read: ECLKDIV register
2.
3.
1.
Figure 25-18. Example Erase Verify Command Flow
yes
Write: ECMD register
Erase Verify Command 0x05
Write: ESTAT register
Clear CBEIF 0x80
START
EDIVLD
Write: EEPROM Address
and Dummy Data
Set?
Read: ESTAT register
Read: ESTAT register
MC9S12XDP512 Data Sheet, Rev. 2.21
yes
ACCERR/
yes
yes
no
BLANK
CBEIF
Write: ECLKDIV register
CCIF
Set?
EXIT EEPROM Memory
Set?
Set?
PVIOL
Set?
no
Erased
yes
no
no
no
Clear ACCERR/PVIOL 0x30
Write: ESTAT register
NOTE: ECLKDIV needs to
be set once after each reset.
NOTE: command write sequence
aborted by writing 0x00 to
ESTAT register.
NOTE: command write sequence
aborted by writing 0x00 to
ESTAT register.
Chapter 25 2 Kbyte EEPROM Module (S12XEETX2KV1)
EXIT
EEPROM Memory
Not Erased
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