MC9S12GC16MFAE Freescale Semiconductor, MC9S12GC16MFAE Datasheet - Page 477

• Manufacturer Part Number: MC9S12GC16MFAE
• Description: IC MCU 16K FLASH 25MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12GC16MFAE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 31
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K 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: S12GC
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 2 KB
• Interface Type: CAN, SCI, SPI
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 60
• 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, M68DKIT912C32SLK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

The security function in the Flash module is described in
17.3.2.3
This register is reserved for factory testing and is not accessible to the user.
All bits read 0 and are not writable.
Freescale Semiconductor
Module Base + 0x0002
KEYEN[1:0]
SEC[1:0]
NV[5:2]
Reset
Field
7–6
5–2
1–0
W
R
Backdoor Key Security Enable Bits — The KEYEN[1:0] bits define the enabling of the backdoor key access
to the Flash module as shown in
Nonvolatile Flag Bits — The NV[5:2] bits are available to the user as nonvolatile flags.
Flash Security Bits — The SEC[1:0] bits define the security state of the MCU as shown in
Flash module is unsecured using backdoor key access, the SEC[1:0] bits are forced to 1:0.
RESERVED1
0
0
7
= Unimplemented or Reserved
0
0
6
1. Preferred KEYEN state to disable Backdoor Key Access.
1. Preferred SEC state to set MCU to secured state.
KEYEN[1:0]
SEC[1:0]
01
01
00
10
11
00
10
11
Table 17-4. FSEC Field Descriptions
(1)
(1)
Table 17-6. Flash Security States
MC9S12C-Family / MC9S12GC-Family
Table 17-5. Flash KEYEN States
0
0
5
Table
Figure 17-6. RESERVED1
17-5.
Status of Backdoor Key Access
Rev 01.24
0
0
4
Status of Security
Description
Unsecured
Secured
Secured
Secured
DISABLED
DISABLED
DISABLED
ENABLED
Section 17.4.3, “Flash Module
0
0
3
Chapter 17 16 Kbyte Flash Module (S12FTS16KV1)
0
0
2
0
0
1
Table
Security”.
17-6. If the
0
0
0
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