MC9S12XDT512CAA Freescale, MC9S12XDT512CAA Datasheet - Page 1065

• Manufacturer Part Number: MC9S12XDT512CAA
• Manufacturer: Freescale

Specifications of MC9S12XDT512CAA

• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 32KB
• # I/os (max): 59
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 2.5/5V
• Operating Supply Voltage (max): 2.75/5.5V
• Operating Supply Voltage (min): 2.35/3.15V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

Freescale Semiconductor
Clock Register
Written
Check
Address, Data,
Access Error and
Protection Violation
Check
Command
Buffer Empty Check
Bit Polling for
Command Completion
Check
Read: ECLKDIV register
Figure 25-23. Example Sector Modify Command Flow
1.
2.
3.
yes
START
Write: EEPROM Word Address
Write: ECMD register
Sector Modify Command 0x60
Write: ESTAT register
Clear CBEIF 0x80
EDIVLD
and program Data
Set?
Read: ESTAT register
Read: ESTAT register
MC9S12XDP512 Data Sheet, Rev. 2.21
yes
ACCERR/
yes
no
CBEIF
Write: ECLKDIV register
Set?
CCIF
PVIOL
Set?
Set?
EXIT
no
no
yes
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)
1067