MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 1180

IC MCU 256K FLASH 80-QFP

MC9S12XDT256CAA

Manufacturer Part Number
MC9S12XDT256CAA
Description
IC MCU 256K FLASH 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet

Specifications of MC9S12XDT256CAA

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
59
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Processor Series
S12XD
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
16 KB
Interface Type
CAN/I2C/SCI/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
59
Number Of Timers
12
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12XDP512E
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1)
1182
Clock Register
Written
Check
Address, Data,
Access Error and
Protection Violation
Check
Simultaneous
Multiple Flash Block
Decision
Command
Bit Polling for
Command Completion
Check
Buffer Empty Check
Read: FCLKDIV register
Figure 28-30. Example Mass Erase Command Flow
1.
2.
3.
yes
Write: FCMD register
Mass Erase Command 0x41
Write: FSTAT register
Clear CBEIF 0x80
START
FDIVLD
Write: Flash Block Address
and Dummy Data
Set?
Read: FSTAT register
MC9S12XDP512 Data Sheet, Rev. 2.21
Read: FSTAT register
yes
ACCERR/
yes
no
CBEIF
no
Write: FCLKDIV register
Block?
CCIF
Set?
Set?
EXIT
PVIOL
Set?
Flash
Next
no
yes
no
yes
no
Clear ACCERR/PVIOL 0x30
Write: FSTAT register
by 128K (skip unimplemented Flash)
Decrement Global Address
NOTE: FCLKDIV needs to
be set once after each reset.
Freescale Semiconductor

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