MC9S08QD2CSC Freescale, MC9S08QD2CSC Datasheet - Page 39
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
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Aborting a command in this way sets the FACCERR access error flag which must be cleared before
starting a new command.
A strictly monitored procedure must be obeyed or the command will not be accepted. This minimizes the
possibility of any unintended changes to the flash memory contents. The command complete flag (FCCF)
indicates when a command is complete. The command sequence must be completed by clearing FCBEF
to launch the command.
programming. The FCDIV register must be initialized following any reset before using any flash
commands.
4.5.4
The burst program command is used to program sequential bytes of data in less time than would be
required using the standard program command. This is possible because the high voltage to the flash array
does not need to be disabled between program operations. Ordinarily, when a program or erase command
is issued, an internal charge pump associated with the flash memory must be enabled to supply high
voltage to the array. Upon completion of the command, the charge pump is turned off. When a burst
Freescale Semiconductor
Burst Program Execution
Figure 4-2
Figure 4-2. Flash Program and Erase Flowchart
0
TO BUFFER ADDRESS AND DATA
MC9S08QD4 Series MCU Data Sheet, Rev. 6
WRITE COMMAND TO FCMD
is a flowchart for executing all of the commands except for burst
TO LAUNCH COMMAND
AND CLEAR FCBEF
WRITE TO FCDIV
WRITE 1 TO FCBEF
WRITE TO FLASH
CLEAR ERROR
FACCERR ?
FACCERR ?
FPVIO OR
START
FCCF ?
DONE
1
NO
(1)
(2)
0
YES
(2)
checking FCBEF or FCCF.
Wait at least four bus cycles before
(1)
ERROR EXIT
after reset.
Required only once
Chapter 4 Memory Map and Register Definition
39
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