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SC312XDP512F0MPVR датащи(PDF) 1121 Page - Freescale Semiconductor, Inc

номер детали SC312XDP512F0MPVR
подробное описание детали  HCS12X Microcontrollers
PDF  1348 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
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SC312XDP512F0MPVR датащи(HTML) 1121 Page - Freescale Semiconductor, Inc

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Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
1123
27.3.2.7
Flash Command Register (FCMD)
The 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.
27.3.2.8
Flash Control Register (FCTL)
The FCTL register is the Flash control register.
All bits in the FCTL register are readable but are not writable.
76543210
R0
CMDB
W
Reset
11000000
= Unimplemented or Reserved
Figure 27-14. Flash Command Register (FCMD)
Table 27-17. FCMD Field Descriptions
Field
Description
6-0
CMDB[6:0]
Flash Command — Valid Flash commands are shown in Table 27-18. Writing any command other than those
listed in Table 27-18 sets the ACCERR flag in the FSTAT register.
Table 27-18. Valid Flash Command List
CMDB[6:0]
NVM Command
0x05
Erase Verify
0x06
Data Compress
0x20
Word Program
0x40
Sector Erase
0x41
Mass Erase
0x47
Sector Erase Abort
76543210
R
NV7
NV6
NV5
NV4
NV3
NV2
NV1
NV0
W
Reset
F
F
F
FFFFF
= Unimplemented or Reserved
Figure 27-15. Flash Control Register (FCTL)



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