MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 47
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MC9S08QD2CSC
Manufacturer Part Number
MC9S08QD2CSC
Description
Manufacturer
Freescale
Datasheet
1.MC9S08QD2CSC.pdf
(198 pages)
Specifications of MC9S08QD2CSC
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
4
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
4-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Program Memory Type
Flash
Program Memory Size
2KB
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC9S08QD2CSC
Manufacturer:
FREESCALE
Quantity:
20 000
Company:
Part Number:
MC9S08QD2CSCR
Manufacturer:
FREESCALE
Quantity:
310
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1
4.7.3
4.7.4
During reset, the contents of the nonvolatile location NVPROT is copied from flash into FPROT. This
register can be read at any time, but user program writes have no meaning or effect.
Freescale Semiconductor
Background commands can be used to change the contents of these bits in FPROT.
KEYACC
Reset
Reset
FPDIS
Field
Field
FPS
7:1
5
0
W
W
R
R
Flash Configuration Register (FCNFG)
Flash Protection Register (FPROT and NVPROT)
Enable Writing of Access Key — This bit enables writing of the backdoor comparison key. For more detailed
information about the backdoor key mechanism, refer to
0 Writes to 0xFFB0–0xFFB7 are interpreted as the start of a flash programming or erase command.
1 Writes to NVBACKKEY (0xFFB0–0xFFB7) are interpreted as comparison key writes.
Flash Protect Select Bits — When FPDIS = 0, this 7-bit field determines the ending address of unprotected
flash locations at the high address end of the flash. Protected flash locations cannot be erased or programmed.
Flash Protection Disable
0 Flash block specified by FPS7:FPS1 is block protected (program and erase not allowed).
1 No flash block is protected.
0
0
7
7
= Unimplemented or Reserved
0
0
6
6
This register is loaded from nonvolatile location NVPROT during reset.
Figure 4-7. Flash Configuration Register (FCNFG)
Table 4-10. FCNFG Register Field Descriptions
Table 4-11. FPROT Register Field Descriptions
Figure 4-8. Flash Protection Register (FPROT)
MC9S08QD4 Series MCU Data Sheet, Rev. 6
KEYACC
0
5
5
FPS
0
0
4
4
(1)
Description
Description
Section 4.6,
3
0
0
3
Chapter 4 Memory Map and Register Definition
“Security.”
0
0
2
2
0
0
1
1
FPDIS
0
0
0
0
(1)
47
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