MC9S12XA512CAG Freescale Semiconductor, MC9S12XA512CAG Datasheet - Page 1229
![IC MCU 512K FLASH 144-LQFP](/photos/12/38/123875/mc9s12xa512cag_sml.jpg)
MC9S12XA512CAG
Manufacturer Part Number
MC9S12XA512CAG
Description
IC MCU 512K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12XA512CAG
Core Processor
HCS12X
Core Size
16-Bit
Speed
80MHz
Connectivity
EBI/EMI, I²C, IrDA, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
119
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
S12XA
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
32 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
119
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
2 (10 bit, 24 Channel)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12XA512CAG
Manufacturer:
Freescale
Quantity:
490
Company:
Part Number:
MC9S12XA512CAG
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 30
Security (S12X9SECV2)
30.1
This specification describes the function of the security mechanism in the S12X chip family
(S12X9SECV2).
30.1.1
The user must be reminded that part of the security must lie with the application code. An extreme example
would be application code that dumps the contents of the internal memory. This would defeat the purpose
of security. At the same time, the user may also wish to put a backdoor in the application program. An
example of this is the user downloads a security key through the SCI, which allows access to a
programming routine that updates parameters stored in another section of the Flash memory.
The security features of the S12X chip family (in secure mode) are:
Table 30-1
Freescale Semiconductor
•
•
•
•
•
Protect the contents of non-volatile memories (Flash, EEPROM)
Execution of NVM commands is restricted
Disable access to internal memory via background debug module (BDM)
Disable access to internal Flash/EEPROM in expanded modes
Disable debugging features for CPU and XGATE
Introduction
gives an overview over availability of security relevant features in unsecure and secure modes.
Features
MC9S12XDP512 Data Sheet, Rev. 2.21
1231
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