mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1206

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 29 128 Kbyte Flash Module (S12XFTX128K1V1)
29.3.2.9
The FADDRHI and FADDRLO registers are the Flash address registers.
All FADDRHI and FADDRLO bits are readable but are not writable. After an array write as part of a
command write sequence, the FADDR registers will contain the mapped MCU address written.
29.3.2.10 Flash Data Registers (FDATA)
The FDATAHI and FDATALO registers are the Flash data registers.
1206
NV[6:0]
Reset
Reset
Reset
Field
6:0
W
W
W
R
R
R
Nonvolatile Bits — The NV[6:0] bits are available as nonvolatile bits. Refer to the Device User Guide for proper
use of the NV bits.
Flash Address Registers (FADDR)
0
0
0
7
7
7
= Unimplemented or Reserved
= Unimplemented or Reserved
= Unimplemented or Reserved
Figure 29-15. Flash Address Low Register (FADDRLO)
0
Figure 29-14. Flash Address High Register (FADDRHI)
0
0
6
6
6
Figure 29-16. Flash Data High Register (FDATAHI)
Table 29-17. FCTL Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.17
0
0
0
5
5
5
0
0
0
4
4
4
FADDRLO
FADDRHI
FDATAHI
Description
0
0
0
3
3
3
0
0
0
2
2
2
Freescale Semiconductor
0
0
0
1
1
1
0
0
0
0
0
0