mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 98

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 2 256 Kbyte Flash Module (FTS256K2V1)
2.3.2.8
The banked FCMD register is the Flash command register.
All CMDB bits are readable and writable during a command write sequence while bit 7 reads 0 and is not
writable.
98
CMDB[6:0]
Reset
Field
6-0
W
R
Flash Command — Valid Flash commands are shown in
listed in
Flash Command Register (FCMD)
7
0
0
Table 2-18
= Unimplemented or Reserved
Figure 2-12. Flash Command Register (FCMD - NVM User Mode)
6
0
sets the ACCERR flag in the FSTAT register.
CMDB[6:0]
Table 2-18. Valid Flash Command List
Table 2-17. FCMD Field Descriptions
0x05
0x06
0x20
0x40
0x41
0x47
MC9S12E256 Data Sheet, Rev. 1.08
5
0
4
0
Description
Sector Erase Abort
NVM Command
Data Compress
Word Program
Sector Erase
Erase Verify
Mass Erase
CMDB
Table
3
0
2-18. Writing any command other than those
2
0
Freescale Semiconductor
1
0
0
0