MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 1119

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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27.3.2.5.1
The general guideline is that Flash protection can only be added and not removed.
all valid transitions between Flash protection scenarios. Any attempt to write an invalid scenario to the
FPROT register will be ignored and the FPROT register will remain unchanged. The contents of the
FPROT register reflect the active protection scenario. See the FPHS and FPLS descriptions for additional
restrictions.
27.3.2.6
The FSTAT register defines the operational status of the module.
Freescale Semiconductor
Reset
Reset
W
W
R
R
CBEIF
CBEIF
1 Allowed transitions marked with X.
Flash Status Register (FSTAT)
Protection Scenario
1
1
7
7
Flash Protection Restrictions
From
= Unimplemented or Reserved
= Unimplemented or Reserved
0
1
2
3
4
5
6
7
Figure 27-12. Flash Status Register (FSTAT — Normal Mode)
Figure 27-13. Flash Status Register (FSTAT — Special Mode)
CCIF
CCIF
1
1
6
6
Table 27-15. Flash Protection Scenario Transitions
X
X
MC9S12XDP512 Data Sheet, Rev. 2.21
0
PVIOL
PVIOL
0
0
5
5
1
X
X
X
X
ACCERR
ACCERR
0
0
4
4
X
X
X
X
2
To Protection Scenario
3
X
X
X
X
X
X
X
X
Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
0
0
0
0
3
3
X
X
X
X
4
BLANK
BLANK
1
X
X
5
0
0
2
2
X
X
6
Table 27-15
FAIL
0
0
0
1
1
X
7
specifies
0
0
0
0
0
0
1121

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