MC9S08GB60CFU Freescale Semiconductor, MC9S08GB60CFU Datasheet - Page 56
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MC9S08GB60CFU
Manufacturer Part Number
MC9S08GB60CFU
Description
IC MCU 60K FLASH 20MHZ 64-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.M68EVB908GB60E.pdf
(290 pages)
Specifications of MC9S08GB60CFU
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
56
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
For Use With
M68DEMO908GB60E - BOARD DEMO MC9S08GB60M68EVB908GB60E - BOARD EVAL FOR MC9S08GB60
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Chapter 4 Memory
SEC01:SEC00 — Security State Code
SEC01:SEC00 changes to 1:0 after successful backdoor key entry or a successful blank check of FLASH.
4.6.3
Bits 7 through 5 may be read or written at any time. Bits 4 through 0 always read 0 and cannot be written.
KEYACC — Enable Writing of Access Key
4.6.4
During reset, the contents of the nonvolatile location NVPROT is copied from FLASH into FPROT. Bits 0,
1, and 2 are not used and each always reads as 0. This register may be read at any time, but user program
writes have no meaning or effect. Background debug commands can write to FPROT.
56
This 2-bit field determines the security state of the MCU as shown in
secure, the contents of RAM and FLASH memory cannot be accessed by instructions from any
unsecured source including the background debug interface. For more detailed information about
security, refer to
This bit enables writing of the backdoor comparison key. For more detailed information about the
backdoor key mechanism, refer to
1 = Writes to NVBACKKEY ($FFB0–$FFB7) are interpreted as comparison key writes.
0 = Writes to $FFB0–$FFB7 are interpreted as the start of a FLASH programming or erase
FLASH Configuration Register (FCNFG)
Reads of the FLASH return invalid data.
command.
FLASH Protection Register (FPROT and NVPROT)
Section 4.5,
Reset:
Read:
Write:
Figure 4-6. FLASH Configuration Register (FCNFG)
Bit 7
0
0
“Security.”
SEC01:SEC00
= Unimplemented or Reserved
MC9S08GB/GT Data Sheet, Rev. 2.3
Section 4.5,
Table 4-7. Security States
0:0
0:1
1:0
1:1
6
0
0
KEYACC
5
0
“Security.”
Description
unsecured
4
0
0
secure
secure
secure
3
0
0
Table
2
0
0
4-7. When the MCU is
Freescale Semiconductor
1
0
0
Bit 0
0
0
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