MC9S08DN60F1CLF datasheet(61/356 Pages) FREESCALE

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Chapter 4 Memory

MC9S08DN60 Series Data Sheet, Rev 3

Freescale Semiconductor

4.5.11.5

Flash and EEPROM Status Register (FSTAT)

0x1B

0x2800–0xFFFF

54K

0x1A

0x2200–0xFFFF

55.5K

0x19

0x1C00–0xFFFF

57K

0x18–0x00

0x0000–0xFFFF

64K

76543210

FCBEF

FCCF

FPVIOL

FACCERR

FBLANK

Reset

11000000

= Unimplemented or Reserved

Figure 4-9. Flash and EEPROM Status Register (FSTAT)

Table 4-14. FSTAT Register Field Descriptions

Field

Description

FCBEF

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 can be written to the command buffer.

FCCF

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

0 Command in progress

1 All commands complete

FPVIOL

Protection Violation Flag — FPVIOL is set automatically when a command that attempts to erase or program

a location in a protected block is launched (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.

Table 4-13. Flash Block Protection (continued)

FPS

Address Area Protected

Memory Size Protected (bytes)

Number of Sectors Protected

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