MC9S08RE16FDER Freescale Semiconductor, MC9S08RE16FDER Datasheet - Page 54
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MC9S08RE16FDER
Manufacturer Part Number
MC9S08RE16FDER
Description
IC MCU 16K FLASH 1K RAM 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08RE16FDER
Core Processor
HCS08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
48-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
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Memory
4.6.5
Bits 3, 1, and 0 always read 0 and writes have no meaning or effect. The remaining five bits are status bits
that can be read at any time. Writes to these bits have special meanings that are discussed in the bit
descriptions.
54
FACCERR
FBLANK
FPVIOL
FCBEF
FCCF
Field
7
6
5
4
2
Reset
W
R
FLASH Status Register (FSTAT)
FLASH Command Buffer Empty Flag — The FCBEF bit is used to launch commands. It also indicates that the
command buffer is empty so that a new command sequence can be executed when performing burst
programming. The FCBEF bit is cleared by writing a 1 to it or when a burst program command is transferred to
the array for programming. Only burst program commands can be buffered.
0 Command buffer is full (not ready for additional commands).
1 A new burst program command may be written to the command buffer.
FLASH Command Complete Flag — FCCF is set automatically when the command buffer is empty and no
command is being processed. FCCF is cleared automatically when a new command is started (by writing 1 to
FCBEF to register a command). Writing to FCCF has no meaning or effect.
0 Command in progress
1 All commands complete
Protection Violation Flag — FPVIOL is set automatically when FCBEF is cleared to register a command that
attempts to erase or program a location in a protected block (the erroneous command is ignored). FPVIOL is
cleared by writing a 1 to FPVIOL.
0 No protection violation.
1 An attempt was made to erase or program a protected location.
Access Error Flag — FACCERR is set automatically when the proper command sequence is not followed
exactly (the erroneous command is ignored), if a program or erase operation is attempted before the FCDIV
register has been initialized, or if the MCU enters stop while a command was in progress. For a more detailed
discussion of the exact actions that are considered access errors, see
is cleared by writing a 1 to FACCERR. Writing a 0 to FACCERR has no meaning or effect.
0 No access error.
1 An access error has occurred.
FLASH Verified as All Blank (erased) Flag — FBLANK is set automatically at the conclusion of a blank check
command if the entire FLASH array was verified to be erased. FBLANK is cleared by clearing FCBEF to write a
new valid command. Writing to FBLANK has no meaning or effect.
0 After a blank check command is completed and FCCF = 1, FBLANK = 0 indicates the FLASH array is not
1 After a blank check command is completed and FCCF = 1, FBLANK = 1 indicates the FLASH array is
FCBEF
completely erased.
completely erased (all $FF).
1
7
= Unimplemented or Reserved
FCCF
6
1
Figure 4-9. FLASH Status Register (FSTAT)
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
Table 4-12. FSTAT Field Descriptions
FPVIOL
0
5
FACCERR
4
0
Description
0
0
3
Section 4.4.5, “Access
FBLANK
2
0
Freescale Semiconductor
0
0
1
Errors." FACCERR
0
0
0
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