S9S12GN16F0CFT Freescale Semiconductor, S9S12GN16F0CFT Datasheet - Page 837

• Manufacturer Part Number: S9S12GN16F0CFT
• Description: 16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
• Manufacturer: Freescale Semiconductor

Specifications of S9S12GN16F0CFT

• Rohs: yes
• Core: S12
• Processor Series: MC9S12G
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 16 KB
• Data Ram Size: 1024 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3.13 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: TSSOP-20
• Mounting Style: SMD/SMT

The security function in the Flash module is described in
25.3.2.3
The FCCOBIX register is used to index the FCCOB register for Flash memory operations.
CCOBIX bits are readable and writable while remaining bits read 0 and are not writable.
25.3.2.4
This Flash register is reserved for factory testing.
All bits in the FRSV0 register read 0 and are not writable.
Freescale Semiconductor
CCOBIX[1:0]
Offset Module Base + 0x0002
Offset Module Base + 0x000C
Reset
Reset
Field
2–0
W
W
R
R
Flash CCOB Index Register (FCCOBIX)
Flash Reserved0 Register (FRSV0)
0
0
0
0
7
Common Command Register Index— The CCOBIX bits are used to select which word of the FCCOB register
array is being read or written to. See <st-blue>25.3.2.11 Flash Common Command Object Register (FCCOB),”
for more details.
7
= Unimplemented or Reserved
= Unimplemented or Reserved
0
0
0
0
6
6
1
Preferred SEC state to set MCU to secured state.
Figure 25-8. Flash Reserved0 Register (FRSV0)
Figure 25-7. FCCOB Index Register (FCCOBIX)
SEC[1:0]
Table 25-12. FCCOBIX Field Descriptions
MC9S12G Family Reference Manual, Rev.1.23
00
01
10
11
Table 25-11. Flash Security States
0
0
0
0
5
5
0
0
0
0
4
4
Status of Security
UNSECURED
Description
SECURED
SECURED
SECURED
Section
0
0
0
0
3
3
1
25.5.
32 KByte Flash Module (S12FTMRG32K1V1)
0
0
0
2
2
CCOBIX[2:0]
0
0
0
1
1
0
0
0
0
0
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