MC9S12C128MFAE Freescale Semiconductor, MC9S12C128MFAE Datasheet - Page 58
![IC MCU 128K FLASH 25MHZ 48-LQFP](/photos/12/20/122066/mc9s12c128mfae_sml.jpg)
MC9S12C128MFAE
Manufacturer Part Number
MC9S12C128MFAE
Description
IC MCU 128K FLASH 25MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12C128MFAE
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
CAN, EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
31
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Processor Series
S12C
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
4 KB
Interface Type
CAN/SCI/SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
31
Number Of Timers
8
Operating Supply Voltage
3.3 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
M68EVB912C32EE
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Package
48LQFP
Family Name
HCS12
Maximum Speed
25 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12C128MFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 1 MC9S12C and MC9S12GC Device Overview (MC9S12C128)
For further explanation on the modes refer to the S12_MEBI block guide.
1.5.2
The device will make available a security feature preventing the unauthorized read and write of the
memory contents. This feature allows:
The user must be reminded that part of the security must lie with the user’s code. An extreme example
would be user’s code that dumps the contents of the internal program. This code would defeat the purpose
of security. At the same time the user may also wish to put a back door in the user’s program. An example
of this is the user downloads a key through the SCI which allows access to a programming routine that
updates parameters.
1.5.2.1
Once the user has programmed the FLASH, the part can be secured by programming the security bits
located in the FLASH module. These non-volatile bits will keep the part secured through resetting the part
and through powering down the part.
58
BKGD =
MODC
•
•
•
0
0
0
0
1
1
1
1
Protection of the contents of FLASH,
Operation in single-chip mode,
Operation from external memory with internal FLASH disabled.
MODB
PE6 =
Security
0
0
1
1
0
0
1
1
Securing the Microcontroller
MODA
PE5 =
0
1
0
1
0
1
0
1
PE7 = XCLKS
ROMCTL
PP6 =
1
0
X
X
X
X
0
1
0
1
0
1
0
1
Table 1-8. Clock Selection Based on PE7
MC9S12C-Family / MC9S12GC-Family
Colpitts Oscillator selected
Pierce Oscillator/external clock selected
ROMON
Table 1-7. Mode Selection
Bit
1
1
0
0
1
0
1
0
1
1
0
1
Rev 01.24
Special Single Chip, BDM allowed and ACTIVE. BDM is allowed in
all other modes but a serial command is required to make BDM
active.
Emulation Expanded Narrow, BDM allowed
Special Test (Expanded Wide), BDM allowed
Emulation Expanded Wide, BDM allowed
Normal Single Chip, BDM allowed
Normal Expanded Narrow, BDM allowed
Peripheral; BDM allowed but bus operations would cause bus
conflicts (must not be used)
Normal Expanded Wide, BDM allowed
Description
Mode Description
Freescale Semiconductor
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