MMC2114 MOTOROLA [Motorola, Inc], MMC2114 Datasheet - Page 226

• Manufacturer Part Number: MMC2114
• Description: M CORE Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Second Generation FLASH for M•CORE (SGFM)
10.7.2.6 SGFM Command Register
Advance Information
226
Address: 0x00d0_0020
BLANK — Erase Verified Flag
The SGFM Command Register (SGFMCMD) is banked and is the
register to which FLASH program, erase, and verify commands are
written.
SGFMCMD is readable and writable in all modes. Writes to bit 7 have no
effect and reads return 0.
CMD[6:0] — Command Field
Reset:
Read:
Write:
The BLANK flag indicates that the erase verify command (RDARY1)
has checked the two interleaved FLASH physical blocks selected by
BKSL[1:0] and found them to be blank. Clear BLANK by writing it to 1.
Writing a 0 has no effect.
Valid FLASH user mode commands are shown in
a command in user mode other than those listed in
the ACCERR flag in SGFMUSTAT.
Freescale Semiconductor, Inc.
Second Generation FLASH for M•CORE (SGFM)
For More Information On This Product,
1 = FLASH physical blocks verify as erased.
0 = If an erase verify command has been requested, and the CCIF
Command
Figure 10-14. SGFM Command Register (SGFMCMD)
Bit 7
$05
$20
$40
$41
flag is set, then the selected FLASH physical blocks are not
blank.
0
0
Table 10-5. SGFMCMD User Mode Commands
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= Reserved
CMD6
6
0
CMD5
5
0
MASERS
RDARY1
PGERS
Name
PGM
CMD4
MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
4
0
CMD3
3
0
Erase verify (all 1s)
CMD2
Word program
2
0
Description
Page erase
Mass erase
Table
Table 10-5
CMD1
10-5. Writing
1
0
MOTOROLA
will set
CMD0
Bit 0
0